Recent Additions | Contact Us Search: All EPA This Area

• You are here: EPA Home
• Pesticides
• Environmental Effects
• Endangered Species Protection Program
• Endangered Species Litigation
• Endangered Species Effects Determinations and Consultations

Endangered Species Effects Determinations and Consultations

You will need Adobe Acrobat Reader to view some of the files on this page. See EPA's PDF page to learn more. Documents marked as (TIFF) are the pesticide product label images stored as Tagged Image File Format (TIFF) from the Pesticide Product Label System and require a multi-page capable TIFF image viewer. Please read the "Tiff Viewer Help Guide" to view these label images.

• Previous Determinations

Effects Determinations

Effects Determinations for Diazinon on Pacific Andromous Salmonids

EPA response to NMFS July 31, 2008 Draft Biological Opinion (PDF) from Debra Edwards, Director, Office of Pesticide Programs, U.S. EPA to James H. Lecky, Director, Office of Protected Resources, National Marine Fisheries Service, U.S. Department of Commerce (6 pp, 459K)

Draft Biological Opinion (PDF) under the Endangered Species Act, by the National Marine Fisheries Service, related to Pesticides and Pacific Salmon and Steelhead species (381 pp, 10.41MB)

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, Director, Office of Protected Resources (3 pp, 231K)

Memorandum (PDF) from Larry Turner, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (2 pp, 95KB)

Diazinon Analysis (PDF) of Risks to Endangered and Threatened Salmon and Steelhead (124 pp, 404K)

• Attachment 1: Interim Reregistration Eligibility Decision for Diazinon (PDF) (77 pp, 667K)
• Attachment 2: Representative Diazinon Labels
  • Diazol® 50W (1 p, 45.2K, TIFF)
  • Diazinon 500 AG (1 p, 44K, TIFF)
  • Gowan Diazinon 4E (WA) (15 pp, 750K, TIFF)
  • Diazinon G-14 (3 pp, 172K, TIFF)
  • Gowan Diazinon 14G (6 pp, 223K, TIFF)
  • Gowan Diazinon 4E (OR) (15 pp, 750K, TIFF)
  • Diazinon AG 500 (2 pp, 144K)
  • Gowan Diazinon 4E (ID) (1 p, 62K, TIFF)
• Attachment 3: Quantitative Usage Analysis for Diazinon (PDF) (5 pp, 222K)
• Attachment 4: Environmental Risk Assessment for Diazinon (PDF) (171 pp, 45K)
• Attachment 5: Estimated Annual Agricultural Use - Diazinon

Effects Determination for Diazinon and the Barton Springs Salamander

Transmittal Letter (PDF) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, US Fish and Wildlife Service (5/14/07) (2 pp, 77.2K)

Effects Memorandum (PDF) from Thomas Steeger, Ph.D., Senior Biologist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental fate and Effects Division (5/9/07) (1 pp, 56.6K)

Diazinon Analysis (PDF): Risks of Diazinon Use to the Federally Listed Endangered Barton Springs Salamander (inclusive of appenices) (5/9/07) (221 p, 6.71MB)

Effects Determination for Metolachlor and the Barton Springs Salamander

Transmittal Letter (PDF) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, US Fish and Wildlife Service (5/14/07) (2 pp, 77.6K)

Effects Memorandum (PDF) from Edward Odenkirchen, Ph.D, Senior Scientist, Environmental Fate and Effects Division (et.al) to Arthur-Jean B. Williams, Associate Director, Environmental fate and Effects Division (5/2/07) (2 pp, 62.8K)

Metolachlor Analysis (PDF) Risks of Metolachlor Use to Federally Listed Endangered Barton Springs Salamander (5/3/07) (62 pp, 882 K)

• Appendix A: Appendix A: Status and Life History of the Barton Springs Salamander (PDF) (14 pp, 118.3K)
• Appendix B: Ecological Effects (PDF) (18 pp, 252.8K)
• Appendix C: Support Information for PRZM Scenario Development (PDF) (41 p, 1.36MB)
• Appendix D: PRZM Output (PDF) (44 pp, 518.8K)
• Appendix E: Risk Quotient Method and LOCs (PDF) (3 pp, 57.6K)
• Appendix F: ECOTOX Papers (PDF) (59 pp, 353.5 K)

Top of page

Effects Determinations for 2,4-dichlorophenoxyacetic acid (2,4-D)

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (12/1/04) (3 pp, 19K)

Memorandum (PDF) from Shannon Borges, Cara Dzubow, Greg Orrick and Ann Stavola to Arthur-Jean B. Williams, Chief, Environmental Field Branch (11/30/04) (2 pp, 34K)

2,4-D Analysis (PDF) (102 pp, 623K)

• Attachment A: Quantitative Usage Analysis for 2,4-D (PDF) (3 pp, 22K)
• Attachment B: 2,4-D draft risk assessment (PDF) (652 pp, 6.9MB)
• Attachment C: 2,4-D Master Label (PDF) (1 p, 8K)
• Attachment D: Washington State 2,4-D Use Summary (PDF) (12 pp, 396K)
• Attachment E: EFED Tier II Aquatic Exposure Assessment 2,4-D (PDF) (27 pp, 255K)
• Attachment F1: 2,4-D Label 2217-703 (PDF) (57 pp, 1.57MB)
• Attachment F2: 2,4-D Label 48273-15 (PDF) (10 pp, 359K)
• Attachment F3: 2,4-D Label 228-354 (PDF) (6 pp, 160K)

Effects Determinations for Malathion

EPA response to NMFS July 31, 2008 Draft Biological Opinion (PDF) from Debra Edwards, Director, Office of Pesticide Programs, U.S. EPA to James H. Lecky, Director, Office of Protected Resources, National Marine Fisheries Service, U.S. Department of Commerce (6 pp, 459K)

Draft Biological Opinion (PDF) under the Endangered Species Act, by the National Marine Fisheries Service, related to Pesticides and Pacific Salmon and Steelhead species (381 pp, 10.41MB)

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (12/1/04) (2 pp, 18K)

Memorandum (PDF) from Jeannette Martinez and Jennifer Leyhe to Arthur-Jean B. Williams, Chief, Environmental Field Branch (11/30/04) (2 pp, 16K)

Malathion Analysis (PDF) (110 pp, 755K)

• Malathion Attachment A: EFED Chapter Malathion (PDF)
• Malathion Attachment B: Malathion Quantitative Usage Analysis (PDF) (13 pp, 230K)
• Malathion Attachment C: Washington State Malathion Use Summary (PDF) (53 pp, 985K)
• Malathion Attachment D-1: Malathion Aquatic Exposure Assessment for Agricultural Uses (PDF) (5 pp, 62K)
• Malathion Attachment D-2: Malathion Aquatic Exposure Assessment for Mosquito Uses (PDF) (9 pp, 7K)
• Malathion Attachment E: Malathion CDPR County Usage (PDF) (16 pp, 232K)
• Malathion Attachment F: Malathion Usage for California Counties by ESUs (PDF) (40 pp, 388K)
• Malathion Attachment G: Malathion Usage for PNW Counties by ESUs (PDF) (80 pp, 1.42MB)
• Malathion Attachment H: Malathion Sample Labels
  • Atrapa™ULV
    
  EPA Reg. Number: 1812-407
  • Malathion 8 Spray
    
  EPA Reg. Number: 2935-83
  • Malathion 8EC
    EPA Reg. Number:51036-214
  • Mal 50-OS
    EPA Reg. Number: 45385-66
  • Malathion 25% WP
    EPA Reg. Number: 34704-291
  • Malathion 5 Dust
    EPA Reg. Number: 10163-142
  • Malathion 8
    EPA Reg. Number: 10163-21
  • Pratt Malathion 80
    EPA Reg. Number: 769-961
  • Durham Malathion 8EC
    EPA Reg. Number: 5481-123

Top of page

Effects Determinations for Triclopyr BEE

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (12/1/04) (2 pp, 18K)

Memorandum (PDF) from Genifer Maree Tarkowski to Arthur-Jean B. Williams, Chief, Environmental Field Branch (11-30-04) (2 pp, 17K)

Triclopyr BEE Analysis (PDF) (58 pp, 292K)

• Attachment A: Triclopyr Reregistration Eligibility Decision (PDF)
• Attachment B: Triclopyr BEE national label 26719-40 (PDF) (7 pp, 45K)
  Triclopyr BEE national label 62719-260 (PDF) (7 pp, 103K)
• Attachment C: SLN Triclopyr BEE label (PDF) (2 pp, 14K)
• Attachment D: Quantitative Usage Analysis for Triclopyr BEE (PDF) (5 pp, 71K)
• Attachment E: USGS Triclopyr Usage Map (GIF, 18K)
• Attachment F: Washington State Dept. of Agriculture Use Summary (PDF) (7 pp, 218K)
• Attachment G: Actual Triclopyr BEE Usage in CA Counties (27 pp, 159K)

Effects Determinations for Lindane

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (12/1/04) (2 pp, 13K)

Memorandum (PDF) from Michael Patterson to Arthur-Jean B. Williams, Chief, Environmental Field Branch (11-29-04) (2 pp, 18K)

Lindane Analysis (PDF) (73 pp, 563K)

• Attachment 1: Reregistration Eligibility Decision for Lindane (148 pages)
• Attachment 2: Lindane Sample Labels
  • Clean Crop Lindane 25 EC-LF
  • Gustafson Lindane 30C Flowable
  • Drexel Lindane 300 Flowable
  • AGSCO Inc. DB-Green
• Attachment 3: USGS Usage Map for Lindane

Effects Determinations for Bromoxynil

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (12/1/04) (2 pp, 13K)

Memorandum (PDF) from Michael Patterson to Arthur-Jean B. Williams, Chief, Environmental Field Branch (11-26-04) (2 pp, 17K)

Top of page

Bromoxynil Analysis (PDF) (105 pp, 967K)

• Attachment 1: Reregistration Eligibility Decision for Bromoxynil (PDF) (299 pp 1.38MB)
• Attachment 2: Bromoxynil Sample Label
  • Terra International Moxy 2E Tank Mix
• Attachment 3: USGS Usage Map for Bromoxynil

Effects Determinations for Pendimethalin

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (12/1/04) (2 pp, 14K)

Memorandum (PDF) from Kurt Pluntke to Arthur-Jean B. Williams, Chief, Environmental Field Branch (12-01-04) (2 pp, 17K)

Pendimethalin Analysis (PDF) (69 pp, 385K)

• Attachment A: Pendimethalin RED (PDF)
• Attachment B: Washington State Pendimethalin Use Summary (PDF) (19 pp, 222K)
• Attachment C: Actual Pendimethalin Usage in California Counties by ESU (PDF) (32 pp, 454K)
• Attachment D: Maximum Estimated Pendimethalin Usage for Pacific Northwest States by ESU (PDF) (84 pp, 1.6 MB)
• Attachment E: EFED Science Chapter (PDF) (48 pp, 281K)
• Attachment F: Pendimethalin Sample Labels
  • Pendulum WDG Herbicide
  • Pentagon DG
  • Prowl H20
  • Prowl 3.3 EC
  • Pursuit Plus EC
  • Preclaim EW
  • Anderson's ProTurf Fertilizer Plus Weedgrass Control
• Attachment G: Aquatic Exposure EECs for Pendimethalin for Use on Selected Crops in WA, OR and CA (26 pages)

Top of page

Effects Determinations for Carbofuran

EPA response to NMFS March 18, 2009 Draft Biological Opinion (PDF) from Debra Edwards, Director, Office of Pesticide Programs, U.S. EPA to James H. Lecky, Director, Office of Protected Resources, National Marine Fisheries Service, U.S. Department of Commerce (10 pp, 720K)

Draft Biological Opinion (PDF) under the Endangered Species Act, by the National Marine Fisheries Service, related to Pesticides and Pacific Salmon and Steelhead species (608 pp, 11.38MB)

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (12/1/04) (2 pp, 22K)

Memorandum (PDF) from Genifer Maree Tarkowski to Arthur-Jean B. Williams, Chief, Environmental Field Branch (12-01-04) (19K)

Carbofuran Analysis (PDF) (70 pp, 383K )

• Attachment A: Carbofuran National Labels
• 279-2876 (PDF) (5 pp, 46K)
• 279-3023 (PDF) (3 pp, 46K)
• Attachment B: Carbofuran SLN Labels
  • California grapes 3 (PDF) (2 pp, 128K)
  • Idaho potatoes (PDF) (1 p, 97K)
  • Idaho sugar beets (PDF) (1 p, 97K)
  • Oregon nursery uses (PDF) (1 p, 55K)
  • Oregon sugarbeets (PDF) (1 p, 4K)
  • California grapes 1 (PDF) (1 p, 52K)
  • California grapes 2 (PDF) (1 p, 52K)
  • California ornamentals (PDF) (1 p, 51K)
  • Oregon potatoes (PDF) (72 pp, 8K)
  • Washington potatoes (PDF) (1 p, 92K)
• Attachment C: Carbofuran Quantitative Usage Analysis (PDF) (4 pp, 119K)
• Attachment D: USGS Carbofuran Usage Map (GIF) (1 p, 29K, GIF)
• Attachment E: Washington State Carbofuran Use Information
  • Washington State Carbofuran Use Summary (PDF) (9 pp, 372K)
  • Carbofuran (Furadan) Use on Wheat in Washington State (PDF) (1 p, 28K)
• Attachment F: Carbofuran Use Closure Memo(PDF) (1 p, 23K)
• Attachment G: Estimated Environmental Concentrations for Selected Carbofuran Use Scenarios (PDF) (4 pp, 39K)
• Attachment H: Actual Carbofuran Usage in California Counties (PDF) (13 pp, 79K)
• Attachment I: Maximum Estimated Carbofuran Usage for Pacific Northwest States (PDF) (49 pp, 525K)

Top of page

Effects Determinations for Glyphosate on Pacific Salmonid ESUs

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (10/12/04) (2 pp, 1 K)

Memorandum (PDF) from Michael Patterson, Ph.D., to Arthur-Jean B. Williams, Chief, Environmental Field Branch (10/7/04) (2 pp, 19 K)

Glyphosate Analysis (PDF) (117 pp, 1.09MB)

• Attachment 1: Registration Eligibility Decision for Glyphosate (PDF) (259 pp, 4.39MB)
• Attachment 2: Glyphosate Sample Labels
• Rattler (PDF)
• Gly-Flo Herbicide (PDF)
• Glyphosate Original (PDF)
• Cornerstone
• Attachment 3: USGS Usage Map for Glyphosate (PDF) (1 pg, 300K)

Effects Determinations for Hexazinone

Determination of No Effect for Hexazinone for Three Pacific Salmonid ESUs for Alfalfa and Forestry Uses

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (10/9/04) (2 pp, 19K)

Memorandum (PDF) from Jennifer Leyhe to Arthur-Jean B. Williams, Chief, Environmental Field Branch (2 pp, 20K)

Hexazinone Analysis (PDF) (28 pp, 165K)

• Hexazinone Attachment A: Hexazinone Reregistration Eligibility Decision (PDF)
• Hexazinone Attachment B: Hexazinone Quantitative Usage Analysis (PDF) (1 p, 11K)
• Hexazinone Attachment C: Hexazinone Sample Labels
  • DuPont™ Velpar® DF , EPA Reg. No. 352-581
  • DuPont™ Velpar® ULW DF, EPA Reg. No. 352-582
  • DuPont™ Velpar® AlfaMax™ MP, EPA Reg. No. 353-634
  • Pronone® Power Pellet Herbicide, EPA Reg. No. 33560-41

Effects Determinations for Metribuzin
Determination of No Effect for Metribuzin

Memorandum (PDF) from Michael Patterson, Ph.D., to Arthur-Jean B. Williams, Chief, Environmental Field Branch (07/29/04) (1 p, 42K)
Metribuzin Analysis (PDF) (90 pp, 691K)

• Attachment 1: Metribuzin Reregistration Eligibility Decision (PDF) (734K)
• Attachment 2: Metribuzin Quantitative Use Analysis (PDF) (1 p, 38K)
• Attachment 3: Metribuzin Sample Labels
  Axiom DF Herbicide (TIFF)
  Domain DF Herbicide (TIFF)
• Attachment 4: USGS Distribution of Metribuzine Use

Top of page

Effects Determinations for Oxyfluorfen
Determination of no effect for Oxyfluorfen

• Memorandum (PDF) from Nikiba Daughtry to Arthur-Jean B. Williams, Chief, Environmental Field Branch (07/23/04) (2 pp, 69K)
• Oxyfluorfen Analysis (PDF) (35 pp, 327K)

Effects Determinations for Coumaphos
Determination of no effect for Coumaphos

• Memorandum (PDF) from Jennifer Leyhe to Arthur-Jean B. Williams, Chief, Environmental Field Branch (07/28/04) (2 pp, 79K)
• Coumaphos Analysis (PDF) (26 pp, 257K)

Effects Determinations for Tebuthiuron
Determination of no effect for Tebuthiuron

• Memorandum (PDF) from Ann Stavola to Arthur-Jean B. Williams, Chief, Environmental Field Branch (07/29/04) (2 pp, 60K)
• Tebuthiuron Analysis (PDF) (28 pp, 285K)

Effects Determinations for Dimethoate

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National

Memorandum (PDF) from Michael Patterson, Ph.D., to Arthur-Jean B. Williams, Chief, Environmental Field Branch (07/15/04) (1 pp, 45K)

Dimethoate Analysis (PDF) (115 pp, 38K)

• Attachment 1: EFED Chapter for Dimethoate Reregistration Eligibility Decision (PDF) (72 pp, 328K)
• Attachment 2: Dimethoate Sample Labels
• Dimethoate 2.67 EC (TIFF)
• Cymate 267 (TIFF)
• Dimethoate 25 WP (TIFF)
• Attachment 3: USGS Usage Map for Dimethoate

Top of page

Effects Determinations for Diflubenzuron

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (07/29/04) (2 pp, 63K)

Memorandum (PDF) from Michael Patterson, Ph.D., to Arthur-Jean B. Williams, Chief, Environmental Field Branch (07/15/04) (1 p, 47K)

Diflubenzuron Analysis (PDF) (91 pp, 781K)

• Attachment 1: Diflubenzuron Reregistration Eligibility Decision (PDF) (214 pp, 767K)
• Attachment 2: EPA Diflubenzuron Quantitative Use Analysis (PDF) (1 p, 20K)
• Attachment 3: Diflubenzuron Sample Labels
  • Micromite 4L (TIFF)
  • Dimilin 2F (TIFF)
  • Dimilin 80WGS (TIFF)
  • Labyrinth termite bait (TIFF)
  • Vigilante (TIFF)
• Attachment 4: USGS Usage Map for Diflubenzuron

Effects Determinations for 1,3-dichloropropene

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (07/29/04) (2 pp, 63K)

Memorandum (PDF) from Nikiba Daughtry to Arthur-Jean B. Williams, Chief, Environmental Field Branch (07/29/04) (2 pp, 68K)

1,3-dichloropropene Analysis (PDF) (56 pp, 400K)

• Attachment A: 1,3-dichloropropene Reregistration Eligibility Decision (PDF) (203 pp, 3.3MB)
• Attachment B: 1,3-dichloropropene Usage for California Counties (PDF) (16 pp, 195K)
• Attachment C: 1,3-dichloropropene Usage for Pacific Northwest States (PDF) (44 pp, 1.3MB)
• Attachment D: 1,3-dichloropropene Washington State Use Summary (PDF) (8 pp, 309K)
• Attachment E: 1,3-dichloropropene Aquatic Exposure Assessment (PDF) (17 pp, 154K)
• Attachment F: 1,3-dichloropropene Sample Labels
  • Tri-Form 35 (TIFF)
  • Telone C-15 (TIFF)
  • Tri-Cal Trilone II (TIFF)
  • Telone EC (TIFF)
  • InLine (TIFF)
  • Telone C-35 CA (TIFF)
  • Telone C-17 CA (TIFF)
  • Telone II CA (TIFF)
• Attachment G: 1,3-dichloropropene Application Equipment Figures (2 pp, 3.2MB)

Top of page

Effects Determinations for Forestry Uses of 2,4-D ethylhexyl ester on One Listed Pacific Salmonid ESU

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (05/10/04) (2 pp, 19K)

Determination of no effect (PDF) for 2,4-D ethylhexyl ester for Pacific Anadromous Salmonids (5/10/04) (1 p, 19K)

2,4-D ethylhexyl ester Analysis (PDF) (39 pp, 204K)

• Attachment 1: Draft EFED Chapter of the 2,4-D ethylhexyl ester Registration Eligibility Decision (PDF), (645 pp, 6.92MB)
• Attachment 2: 2,4-D ethylhexyl ester Sample Labels
• Weedone 638 Solventless
• Crop Rider LV-4D
• Riverdale 1D + 1DP Low Vol
• Oasis herbicide
• Attachment 3: USGS Usage Map

Effects Determinations for Forestry Uses of Triclopyr BEE on Three Listed Pacific Salmonid ESUs

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (05/10/04) (2 pp, 19K)

Memorandum (PDF) from Michael Patterson, Ph.D., to Arthur-Jean B. Williams, Chief, Environmental Field Branch (05/10/04) (1 p, 19K)

Triclopyr BEE Analysis (PDF) (31 pp, 156K)

• Attachment 1: Triclopyr Reregistration Eligibility Decision (PDF)
• Attachment 2: Sample Labels
• Garlon 3A (PDF)
• Garlon 4 (PDF)
• Attachment 3: USGS Usage Map
  

Effects Determinations for Acephate

Determination of no effect for Acephate for Pacific Anadromous Salmonids (PDF) (03/31/04) (2 pp, 12.7K)

Acephate Analysis (88 pp, 1.92MB)

• Attachment 1: Acephate Reregistration Eligibility Decision (PDF)
• Attachment 2: EFED Chapter of the Acephate Registration Eligibility Decision (PDF)
• Attachment 3: Acephate Quantitative Use Analysis (PDF) (3 pp, 92K)
• Attachment 4: Acephate Sample Labels
• Precise (4 pp, 161K TIFF)
• Orthene Ornamental Insect Spray (3 pp, 79.3K TIFF)
• Orthene Tree & Ornamental Spray (13 pp, 308K TIFF)
• Whitmire PT 289 Orthene (1 p, 901K TIFF)
• Whitmire PT 1310 Total Release Insecticide (1 p, 96.6K TIFF)
• Acephate 75SP (3 pp, 156K TIFF)
• Orthenex Garden Insect & Disease Control Concentrate (5 pp, 191K TIFF)
• Bonide Systemic Insecticide Granules (5 pp, 137K TIFF)

Top of page

Effects Determinations for Naled

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (04/1/04) (2 pp, 11.3K)

Memorandum (PDF) from Michael Patterson, Ph.D., to Arthur-Jean B. Williams, Chief, Environmental Field Branch (04/1/04) (1 p, 16.4K)

Naled Analysis (PDF) (64 pp, 364K)

• Attachment A: Naled Interim Reregistration Eligibility Decision (PDF)
• Attachment B: EFED Chapter for Naled Reregistration Eligibility Decision (PDF)
• Attachment C: Naled Quantitative Use Analysis (PDF) (6 pp, 113K)
• Attachment D: Use of Naled in California, by County (8 pp, 79.7K)
• Attachment E: Use of Naled in the Pacific Northwest, by County (72 pp, 1.45MB)
• Attachment F: Washington State Department of Agriculture Estimate of Naled Use (10 pp, 276K)
• Attachment G: Sample labels
  • Trumpet EC Insecticide (7 pp, 279K TIFF)
  • Dibrom 8 Miscible (3 pp, 216K TIFF)

Effects Determinations for Linuron

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (03/31/04) (2 pp, 8.28K)

Memorandum (PDF) from Michael Patterson, Ph.D., to Arthur-Jean B. Williams, Chief, Environmental Field Branch (03/31/04) (1 p, 16.5K)

Linuron Analysis (PDF) (69 pp, 417K)

• Attachment 1: Linuron Reregistration Eligibility Decision (PDF)
• Attachment 2: EFED Linuron Registration Eligibility Decision Chapter (PDF) (100 pp, 3.48MB)
• Attachment 3: Linuron Quantitative Use Analysis (2 pp, 33K)
• Attachment 4: Linuron Sample Labels
• Micro Flo Linuron 4L (519 pp, 98K TIFF)
• Linex 4L (8 pp, 547K TIFF)
• Attachment 5: USGS Distribution of Linuron Use

Effects Determinations for Methamidophos

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (03/31/04) (2 pp, 10.5K)

Memorandum (PDF) from Michael Patterson, Ph.D., to Arthur-Jean B. Williams, Chief, Environmental Field Branch (03/31/04) (1 p, 16.9K)

Methamidophos Analysis, PDF (65 pp, 408K)

• Attachment 1: Methamidophos Interim Reregistration Eligibility Decision
• Attachment 2: EFED Methamidophos Reregistration Eligibility Decision Chapter
• Attachment 3: Methamidophos Quantitative Use Analysis (PDF) (1 p, 210K)
• Attachment 4: Methamidophos Sample Labels
  • Valent Monitor Technical (PDF) (6 pp, 172K TIFF)
  • Monitor 4 Spray (9 pp, 314K TIFF)

Top of page

Effects Determinations for Methidathion

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (4/1/04) (2 pp, 11.2K)

Memorandum (PDF) from Nikiba Daughtry to Arthur-Jean B. Williams, Chief, Environmental Field Branch (04/1/04) (2 pp, 17.8K)

Methidathion Analysis (PDF) (57 pp, 290K)

• Attachment A-1: Methidathion Interim Reregistration Eligibility Decision
• Attachment A-2: EFED Chapter of Methidathion Registration Eligibility Decision
• Attachment B: Methidathion Washington State Use Summary (PDF) (6 pp, 232K)
• Attachment C: Methidathion Aquatic Exposure Assessment (PDF) (7 pp, 58.1K)
• Attachment D: Methidathion Usage for California Counties (PDF) (10 pp, 47.0K)
• Attachment E: Methidathion Usage for Pacific Northwest States (PDF) (68 pp, 743K)
• Attachment F: Methidathion Sample Labels
  • Syngenta Methidathion Technical (4 pp, 143K TIFF)
  • Gowan Methidathion Technical (4 pp, 138K TIFF)
  • Supracide 25W (7 pp, 362K TIFF)
  • Methidathion 50S (8 pp, 161K TIFF)
  • Supracide 25WP (8 pp, 352K TIFF)
  • Supracide Master label (23 pp, 58K TIFF)
  • Supracide 2E (25 pp, 622K TIFF)
• Attachment G: Methidathion Quantitative Use Analysis

Effects Determinations for Methyl Parathion

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (4/1/04) (2 pp, 11.0K)

Memorandum (PDF) from Nikiba Daughtry to Arthur-Jean B. Williams, Chief, Environmental Field Branch (04/1/04) (2 pp, 17.8K)

Methyl Parathion Analysis (PDF) (57 pp, 310K)

• Attachment A-1: Methyl Parathion Interim Reregistration Eligibility Decision
• Attachment A-2: EFED Chapter for the Methyl Parathion Interim Registration Eligibility Decision
• Attachment B: Use Summary for Methyl Parathion in Washington State (10 pp, 272K)
• Attachment C: Methyl Parathion Aquatic Exposure Assessment (22 pp, 389K)
• Attachment D: Methyl Parathion Usage for California Counties (9 pp, 51K)
• Attachment E: Methyl Parathion Usage for Pacific Northwest States (93 pp, 881K)
• Attachment F: Methyl Parathion Sample Labels
• 4lb. Methyl parathion EC (Helena chemical) (13 pp, 533K TIFF)
• Cheminova Methyl parathion 4 EC (9 pp, 341K TIFF)
• Griffin Methyl parathion MUP (technical) (9 pp, 240K TIFF)
• Cheminova Methyl parathion Technical (5 pp, 183K TIFF)
• Penncap-M Micro encapsulated Insecticide (11 pp, 356K TIFF)
• Drexel IDA Seis-Tres 6-3 (6 pp, 328K TIFF)
• Drexel Methyl parathion 4 (5 pp, 279K TIFF)
• Drexel Methyl parathion 4E (5 pp, 273K TIFF)
• Methyl parathion 5-E (5 pp, 211K TIFF)
• Clean Crop Methyl parathion 4E (5 pp, 271K TIFF)
• Micro Flo Methyl parathion 4 EC (13 pp, 445K TIFF)
• Declare Emulsifiable Insecticide concentrate (13 pp, 563K TIFF)

Effects Determinations for Trifluralin

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (04/1/04) (2 pp, 10.9K)

Memorandum (PDF) from Michael Patterson, Ph.D., to Arthur-Jean B. Williams, Chief, Environmental Field Branch (04/1/04) (1 p, 17.1K)

Trifluralin Analysis (PDF) (63 pp, 300K)

• Attachment A: Trifluralin Reregistration Eligibility Decision
• Attachment B: Trifluralin Sample Label
• Treflan HFP (27 pp, 1.54MB)
• Attachment C: EPA Estimated Usage of Trifluralin (4 pp, 176K)
• Attachment D: Trifluralin Usage for California Counties (22 pp, 130K)
• Attachment E: Trifluralin Usage for Pacific Northwest States (128 pp, 1.15MB)
• Attachment F: WA State Dept. of Agriculture Summary of Trifluralin Use (40 pp, 770K)

Top of page

Effects Determinations for Captan

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (2 pp, 60K)

Memorandum (PDF) from Michael Patterson, Ph.D., to Arthur-Jean B. Williams, Chief, Environmental Field Branch (1 p, 70K)

Captan Analysis (PDF) (92 pp, 70K)

• Attachment 1: Captan Reregistration Eligibility Decision
• Attachment 2: EFED Registration Eligibility Decision Chapter (PDF) (5.68MB)
• Attachment 3: Representative Labels
  • Dragon Captan Wettable (5 pp, 190K TIFF)
  • Captan 80 WDG (3 pp, 157K TIFF)
  • Captan 4L (4 pp, 279K TIFF)
  • Home Orchard Spray (5 pp, 128K TIFF)
  • Security Home Fruit Spray (5 pp, 150K TIFF)
  • Captan-Vitavax-Metalaxyl Seed Treatment For Soybeans (2 pp, 134K TIFF)
  • Diazinon-Lindane-Captan (4 pp, 165K TIFF)
  • Gustafson Captan Lindane 12.5-25 Seed Protectant (2 pp, 122K TIFF)
  • Gustafson Captan 400 (2 pp, 293K TIFF)
• Attachment 4: Washington State Captan Use Summary (10 pp, 473K)

Effects Determinations for Chlorothalonil

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (2 pp, 73K)

Memorandum (PDF) from Larry Turner, Ph.D., to Arthur-Jean B. Williams, Chief, Environmental Field Branch (2 pp, 61K)

Chlorothalonil Analysis (PDF) (132 pp, 683K)

• Attachment 1: Reregistration Eligibility Decision
• Attachment 2: Washington State Chlorothalonil Use Summary (PDF) (38 pp, 295K)
• Attachment 3: White paper submitted by primary registrant in support of chlorothalonil (PDF) (confidential business information removed) (21 pp, 538K)
• Attachment 4: Labels
  • Bravo 825 (29 pp, 1.27MB, TIFF)
  • Countdown L&G (42 pp, 1.56MB, TIFF)
  • Daconil 720 (22 pp, 734K, TIFF)
  • Busan 1192 (1 p, 88.1K, TIFF)
  • Riverdale Resound 90DF (14 pp, 598K, TIFF)

Top of page

Effects Determinations for Disulfoton

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (2 pp, 56K)

Memorandum (PDF) from Michael Patterson, Ph.D., to Arthur-Jean B. Williams, Chief, Environmental Field Branch (1 p, 60K)

Disulfoton Analysis (PDF) (94 pp, 551K)

• Attachment 1: Interim Reregistration Eligibility Decision
• Attachment 2: Quantitative Usage Analysis
• Attachment 3: EFED Registration Eligibility Document
• Attachment 4: Disulfoton Products in Active Use (PDF) (2 pp, 102K)
• Attachment 5: Disulfoton Products Canceled or Removed from Use (PDF) (8 pp, 400K)
• Attachment 6: Sample Labels
  • Di-Syston 8 (10 pp, 446K, TIFF)
  • Lilly/ Miller Feed & Shield Systemic Rose Care 6-10-4 (3 pp, 138K, TIFF)
  • Bonide Systemic Granules 1% (1 p, 53.4K, TIFF)
  • Jobe’s Spikes Systemic Insecticide With 12-18-6 Fertilizer (1 p, 64.2K, TIFF)
  • Attachment 7: Washington State Disulfoton Use Summary (9 pp, 377K)

Effects Determinations for Ethoprop

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (2 pp, 62K)

Memorandum (PDF) from Michael Patterson, Ph.D., to Arthur-Jean B. Williams, Chief, Environmental Field Branch (1 p, 62K)

Ethoprop Analysis (PDF) (80 pp, 714K)

• Attachment 1: Interim Reregistration Eligibility Decision
• Attachment 2: EFED Supplement for Reregistration Eligibility Decision
• Attachment 3: California Guidelines for Ethoprop Use (PDF) (1 p, 44K)
• Attachment 4: Correction Factors for Application Computation (Crops Treated/Crops Planted - 1997) (PDF) (1 p, 32K)
• Attachment 5: Labels
  • Mocap 15% Granular Nematicide-Insecticide (9 pp, 317K, TIFF)
  • Mocap 20% Granular Lock ’n Load (7 pp, 281K, TIFF)
  • Mocap EC Nematicide-Insecticide (14 pp, 582K, TIFF)
• Attachment 6: Washington State Ethoprop Use Summary (PDF) (5 pp, 182K)

Effects Determinations for Fenamiphos

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (2 pp, 55K)

Memorandum (PDF) from Ann Stavola to Arthur-Jean B. Williams, Chief, Environmental Field Branch (1 p, 48K)

Fenamifos Analysis (PDF) (79 pp, 490K)

• Attachment 1: Fenamiphos Estimated Annual Agricultural Use
• Attachment 2: Interim Reregistration Eligibility Decision
• Attachment 3: Fenamiphos Environmental Risk Assessment
• Attachment 4: Fenamiphos Facts
• Attachment 5: Washington State Fenamiphos Use Summary (PDF) (4 pp, 248K)
• Attachment 6: Representative Labels
  • Nemacur 3 (9 pp, 753K, TIFF)
  • Nemacur 3 Turf (5 pp, 237K, TIFF)
  • Nemacur 15% Granular (5 pp, 248K, TIFF)
  • Nemacur 10% (6 pp, 281K, TIFF)

Effects Determination for Iprodione

Determination of no effects for Iprodione for Pacific Anadromous Salmonids (PDF) (14 pp, 150K)

• Attachment: Washington State Iprodione Use Summary (PDF) (11 pp, 483K)

Top of page

Effects Determinations for Phosmet

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (2 pp, 61K)

Memorandum (PDF) from Larry Turner, Ph.D., to Arthur-Jean B. Williams, Chief, Environmental Field Branch (1 p, 67K)

Phosmet Analysis (PDF) (173 pp, 915K)

• Attachment 1: Phosmet Interim Reregistration Eligibility Decision
• Attachment 2: Ecological Risk Assessment
• Attachment 3: Quantitative Usage Analysis (6-8-99, 4 pages)
• Attachment 4: Washington State Phosmet Use Summary (PDF) (6 pp, 319K)
• Attachment 5: Representative Labels
  • Imidan 70-W (7 pp, 386K, TIFF)
  • Imidan 2.5-EC (5 pp, 262K, TIFF)
  • Imidan 50-WSB (7 pp, 391K, TIFF)
  • Imidan 5 Dust (5 pp, 159K, TIFF)
  • Imidian 70-WSB (7 pp, 387K, TIFF)

Effects Determinations for Bromacil and Lithium Bromacil

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Laurie Allen, Acting Director, Office of Protected Resources, National Marine Fisheries Service (2 pp, 60K)

Memorandum (PDF) from Larry Turner, Ph.D., to Arthur-Jean B. Williams, Chief, Environmental Field Branch (2 pp, 78K)

Bromacil and Lithium Bromacil Analysis (PDF) (45 pp, 320K)

• Attachment 1: Representative Labels
  • DuPont Hyvar X-L (8 pp, 388K, TIFF)
  • DuPont Hyvar X (11 pp, 547K, TIFF)
  • Weed Out Non-Select Weed Killer (2 pp, 114K, TIFF)
  • Non-selective Herbicide #2 (3 pp, 102K, TIFF)
  • V-1500 Weed Killer 920 (3 pp, 78.3K, TIFF)
• Attachment 2: Bromacil Reregistration Eligibility Decision

Amended Formal Consultation Request for Diazinon (PDF) (1 p, 24.6K)

Top of page

Effects Determination for Terbacil

Determination of no effect for Terbacil for Pacific Anadromous Salmonids (PDF) (07/29/03) (13 pp, 629K)

Effects Determination for Simazine

Determination of No Effect for Simazine relative to the Barton springs salamander

Memo to the Files (PDF) - from Arthur-Jean B. Williams, Acting Director, Environmental Fate and Effects Division, EPA to the Files (2pp, 30K)

Transmittal memo (PDF) - From Anita Pease, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Acting Director, Environmental Fate and Effects Division (September 20, 2007) (1 pp, 27K)

Effects Determination (PDF) - Effects determination for atrazine relative to the pallid sturgeon (September 20, 2007) (90 pp, 4.62MB)

• Appendix A: Ecological Effects (PDF) - (50 pp, 978K)
• Appendix B: Multi AI Product Analysis (PDF) - (2 pp, 92K)
• Appendix C: Life History (PDF) - (14 pp, 183K)
• Appendix D: Aquatic Incidents (PDF) - (5 pp, 183K)
• Appendix E: RQ Method and LOCs (PDF) - (3 pp, 121K)
• Appendix F: ECOTOX Papers Not Used (PDF) - (230 pp, 3.93MB)

Determination of no effect for Simazine (07/29/03)

Transmittal letter (PDF) from EPA to NOAA, (2 pp, 44K)

Memorandum (PDF) from Larry Turner, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (07/29/03) (41 p, 3K)

Simazine Analysis (PDF) of Risk to Endangered and Threatened Salmon and Steelhead (31 pp, 551K)

• Attachment 1: Simazine Quantitative Usage Analysis (PDF) (9 pp, 198K)
  

Effects Determination for Azinphos-methyl

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, National Marine Fisheries Service (2 pp, 95K)

Memorandum (PDF) from Larry Turner, Ph.D., and William Erickson, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (1 p, 51K)

Azinphos-methyl Analysis (PDF) (July 23, 2003) (105 pp, 290K)

• Attachment 1: Azinphos-methyl Interim Reregistration Eligibility Decision
• Attachment 2: Agreement Between the Environmental Protection Agency and the Registrants of Pesticide Products Containing Azinephos Methyl
• Attachment 3: Representative Oryzalin Labels

  To view labels go to http://www.epa.gov/pesticides/pestlabels/ and search for the following registration numbers and then the dates indicated:

  - 3125-301 (April 26, 2000)
  - 10163-138 (August 23, 1999)
  - 66222-12 (August 26, 1999)

• Attachment 4: Quantitative Usage Analysis For Azinphos-methyl
• Attachment 5: EFED Ecological Risk Assessment and Revision of Draft EFED Reregistration Eligibility Decision (RED) Science Chapter to Include 60 Day Comments

Effects Determination for Dichlobenil

Memorandum (PDF) from Ann Stavola, Biologist, Environmental Field Branch, to Arthur-Jean Williams, Chief, Environmental Field Branch (2 pp, 66K)

Dichlobenil Analysis of Risks (PDF) (33 pp, 709K)

• Attachment 1: Dichlorbenil Reregistration Eligibility Decision (RED) (October 1998)


• Attachment 2: Dichlobenil Estimated Annual Agricultural Use - USGS Pesticide 1992 Annual Use Map

Top of page

Effects Determination for Phorate

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, National Marine Fisheries Service (August 1, 2003) (2 pp, 23K)

Memorandum (PDF) from Larry Turner, Ph.D., Environmental Field Branch and Edward Odenkirchen, Ph.D., Environmental Risk Branch 1, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (August 1, 2003) (2 pp, 21K)

Phorate Analysis (PDF) (72 pp, 81K)

• Attachment 1: Phorate Interim Reregistration Eligibility Decision
• Attachment 2: Representative Oryzalin Labels
  
  To view labels go to http://www.epa.gov/pesticides/pestlabels/ and search for the following registration numbers and then the dates indicated:

  - 241-257 (August 19, 2001 and December 27, 2000)
  - 241-53 (February 8, 1996 and June 16, 1994)

• Attachment 3: Phorate Estimated Annual Agricultural Use - USGS-Pesticides 1992 Annual Use Map
• Attachment 4: EPA's response to comments from American Cyanamid Co.; Revision of exposure estimates for surface and ground water; Updated EFED RED chapter (64 pages)

Effects Determination for Diuron

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, National Marine Fisheries Service (August 1, 2003) (2 pp, 23K)

Memorandum (PDF) from Larry Turner, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (August 1, 2003) (2 pp, 21K)

Diuron Analysis (PDF) (115 pp, 1,113K)

• Attachment 1: Diuron Environmental Risk Assessment for the Reregistration of Diuron (PDF) (71 pp, 578K)
• Attachment 2: Representative Diuron Labels
  
  To view labels go to http://www.epa.gov/pesticides/pestlabels/ and search for the following registration numbers and then the dates indicated:

  - 1812-362 (August 5, 2002)
  - 1812-257 (August 5, 2002)
  - 352-505 (December 11, 2002)

• Attachment 3: Diuron Quantitative Usage Analysis (PDF) (March 20, 2001) (4 pp, 34K)

Top of page

Effects Determination for Prometon

Effects Determination for Prometon Relative to the Barton Springs Salamander

Transmittal letter (PDF) - From Arthur-Jean B. Williams, Acting Director, Environmental Fate and Effects Division, USEPA to Bryan Arroyo, Acting Assistant Director for Endangered Species, US Fish and Wildlife Service (September 21, 2007) (2 pp, 32K)

Transmittal memo (PDF) - From Edward Odenkirchen, Ph.D, Senior Scientist; Paige Doelling Brown, Ph.D., Fisheries Biologist; James Hetrick, Ph.D., Senior Scientist; Thomas Bailey, Ph.D, Acting Branch Chief, Environmental Risk Branch 1, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Acting Director, Environmental Fate and Effects Division, USEPA (September 18, 2007) (2 pp, 39K)

Effects Determination (PDF) - Effects determination for prometon relative to the Barton springs salamander (September 18, 2007) (54 pp, 1.13 MB)

• Appendix A: Life History (PDF) - (14 pp, 213K)
• Appendix B: PRZM Scenarios (PDF) - (40 pp, 1.28MB)
• Appendix C: Ecological Effects (PDF) - (18 pp, 22K)
• Appendix D: ECOTOX Bibliography (PDF) - (72 pp, 1.32MB)
• Appendix E: RQ Method and LOCs (PDF) - (3 pp, 82K)
• Appendix F: RQ Calculations (PDF) - (2 pp, 28K)
• Appendix G: Multi-AI Products (PDF) - (4 pp, 101K)

Effects Determination for Atrazine

Six Aquatic Chesapeake Bay Watershed Species and 1 Alabama River Watershed Species

U.S. FWS Response to Informal Consultation Request (PDF) for atrazine from Marjorie A. Nelson, Chief, Consultation & HCPs Branch, Consultation, Habitat Conservation Planning, Recovery and State Grants, U.S. Fish and Wildlife Service to Arthur Jean B. Williams, Associate Director, Environmental Fate and Effects Division, Office of Pesticide Programs, U.S. EPA (February 11, 2008) (18 pp, 1.13MB)

Effects Determination for Atrazine Relative to the Pallid Sturgeon

Input from Syngenta (PDF) - Letter and Input from Dan Campbell, Senior Regulatory Product Manager II, Syngenta Crop Protection Inc, to Arthur-Jean B. Williams, Office of Pesticide Programs, US Environemtnal Protection Agency re: Comments on EPA's Effect Determinations for Atrazine Relative to Three Federally Listed endangered Freshwater Mussels [Catspaw (Epioblasma Obliquata Obliquata), Fat Pocketbook (Potamilus Capax), Northern Riffleshell (Epioblasma Torulosa Rangiana)] and Two Federally Listed Endangered Freshewater Fish [Pallid Sturgeon (Scaphirhynchus Albus), Topeka Shiner (Notropis Topeka)] (October 12, 2007) (21 pp, 536K)

Transmittal letter (PDF) - From Arthur-Jean B. Williams, Acting Director, Enviornmental Fate and Effects Division, USEPA to Bryan Arroyo, Acting Assistant Director for Endangered Species, US Fish and Wildlife Service (September 17, 2007) (2 pp, 30K)

Input from Syngenta (PDF) - Letter from Dan Campbell, Senior Regulatory Product Manager II, Syngenta Crop Protection Inc, to Arthur-Jean B. Williams, Office of Pesticide Programs, US Environemtnal Protection Agency re: Supporting Data for EPA's Effect Determinations for Atrazine Relative to Three Federally Listed Endangered Freshwater Mussels and Two Federally Listed Endangered Freshwater Fish. (August 14, 2007) (2 pp, 58K)

• Supporting Data for EPA's Effect Determinations (PDF) - Supporting Data for EPA's Effect Determinations for Atrazine Relative to Three Federally Listed Endangered Freshwater Mussels and Two Federally Listed Endangered Freshwater Fish: Report No T005015-07: Assessment (August 13, 2007) (46 pp, 1.76MB)
  

Transmittal memo (PDF) - From Anita Pease, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (August 29, 2007) (2p., 38.9K)

Effects Determination (PDF) - Effects determination for atrazine relative to the pallid sturgeon (August 29, 2007) (136 pp, 10.2MB)

• Appendix A: Ecological Effects (PDF) - (132 pp, 1.14MB)
• Appendix B: Multi AI Product Analysis (PDF) - (9 pp, 96.5K)
• Appendix C: Life History (PDF) - (16 pp, 233K)
• Appendix D: Ecological Monitoring Data (PDF) - (45 pp, 933K)
• Appendix E: Incident Data Base Information (PDF) - (11 pp, 89K)
• Appendix F: RQ Method and LOCs (PDF) - (3 pp, 43K)
• Appendix G: ECOTOX Papers Not Used (PDF) - (309 pp, 1.94MB)
• Appendix H: Landcover Maps (PDF) - (6 pp, 268K)
• Appendix I: Baseline and Cumulative (PDF) - (20 pp, 202K)

Top of page

Effects Determination for Atrazine Relative to Three Listed Freshwater Mussel Species

Input from Syngenta (PDF) - Letter and Input from Dan Campbell, Senior Regulatory Product Manager II, Syngenta Crop Protection Inc, to Arthur-Jean B. Williams, Office of Pesticide Programs, US Environemtnal Protection Agency re: Comments on EPA's Effect Determinations for Atrazine Relative to Three Federally Listed endangered Freshwater Mussels [Catspaw (Epioblasma Obliquata Obliquata), Fat Pocketbook (Potamilus Capax), Northern Riffleshell (Epioblasma Torulosa Rangiana)] and Two Federally Listed Endangered Freshewater Fish [Pallid Sturgeon (Scaphirhynchus Albus), Topeka Shiner (Notropis Topeka)] (October 12, 2007) (21 pp, 536K)

Transmittal letter (PDF) - From Arthur-Jean B. Williams, Acting Director, Enviornmental Fate and Effects Division, USEPA to Bryan Arroyo, Acting Assistant Director for Endangered Species, US Fish and Wildlife Service (September 17, 2007) (2 pp, 32K)

Input from Syngenta (PDF) - Letter from Dan Campbell, Senior Regulatory Product Manager II, Syngenta Crop Protection Inc, to Arthur-Jean B. Williams, Office of Pesticide Programs, US Environemtnal Protection Agency re: Supporting Data for EPA's Effect Determinations for Atrazine Relative to Three Federally Listed Endangered Freshwater Mussels and Two Federally Listed Endangered Freshwater Fish. (August 14, 2007) (2 pp, 58K)

• Supporting Data for EPA's Effect Determinations (PDF) - Supporting Data for EPA's Effect Determinations for Atrazine Relative to Three Federally Listed Endangered Freshwater Mussels and Two Federally Listed Endangered Freshwater Fish: Report No T005015-07: Assessment (August 13, 2007) (46 pp, 1.76MB)
  

Transmittal memo (PDF) - From Anita Pease, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (August 29, 2007) (2pp, 38.9K)

Effects Determination (PDF) - Effects determination for atrazine relative to three listed freshwater mussel species (August 29, 2007) (173 pp, 7.3MB)

• Appendix A: Ecological Effects (PDF) - (131 pp, 1.12MB)
• Appendix B: Multi AI Product Analysis (PDF) - (8 pp, 78.9K)
• Appendix C: Life History (PDF) - (23 pp, 390K)
• Appendix D: Ecological Monitoring Data (PDF) - (32 pp, 484K)
• Appendix E: Incident Data Base Information (PDF) - (10 pp, 59.5K)
• Appendix F: RQ Method and LOCs (PDF) - (2 pp, 29.6K)
• Appendix G: ECOTOX Papers Not Used (PDF) - (308 pp, 1.93MB)
• Appendix H: Baseline and Cumulative (PDF) - (13 pp, 130K)
• Appendix I: Riparian Analysis (PDF) - (38 pp, 17.9MB)

Effects Determination for Atrazine Relative to the Topeka Shiner and its Critical Habitat

Input from Syngenta (PDF) - Letter and Input from Dan Campbell, Senior Regulatory Product Manager II, Syngenta Crop Protection Inc, to Arthur-Jean B. Williams, Office of Pesticide Programs, US Environemtnal Protection Agency re: Comments on EPA's Effect Determinations for Atrazine Relative to Three Federally Listed endangered Freshwater Mussels [Catspaw (Epioblasma Obliquata Obliquata), Fat Pocketbook (Potamilus Capax), Northern Riffleshell (Epioblasma Torulosa Rangiana)] and Two Federally Listed Endangered Freshewater Fish [Pallid Sturgeon (Scaphirhynchus Albus), Topeka Shiner (Notropis Topeka)] (October 12, 2007) (21 pp, 536K)

Transmittal letter (PDF) - From Arthur-Jean B. Williams, Acting Director, Enviornmental Fate and Effects Division, USEPA to Bryan Arroyo, Acting Assistant Director for Endangered Species, US Fish and Wildlife Service (September 17, 2007) (2 pp, 30K)

Input from Syngenta (PDF) - Letter from Dan Campbell, Senior Regulatory Product Manager II, Syngenta Crop Protection Inc, to Arthur-Jean B. Williams, Office of Pesticide Programs, US Environemtnal Protection Agency re: Supporting Data for EPA's Effect Determinations for Atrazine Relative to Three Federally Listed Endangered Freshwater Mussels and Two Federally Listed Endangered Freshwater Fish. (August 14, 2007) (2 p., 58K)

• Supporting Data for EPA's Effect Determinations (PDF) - Supporting Data for EPA's Effect Determinations for Atrazine Relative to Three Federally Listed Endangered Freshwater Mussels and Two Federally Listed Endangered Freshwater Fish: Report No T005015-07: Assessment (August 13, 2007) (46 pp, 1.76MB)

Transmittal memo (PDF) - From Anita Pease, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (August 29, 2007) (2 pp, 38K)

Effects Determination (PDF) - Effects determination for atrazine relative to three listed freshwater mussel species (August 31, 2007) (109 pp, 3.25MB)

• Appendix A: Ecological Effects Characterization (PDF) - (131 pp, 1.1MB)
• Appendix B: Ecological Monitoring Data (PDF) - (11 pp, 933K)
• Appendix C: Incident Data Base Information (PDF) - (10 pp, 59K)
• Appendix D: RQ Method and LOCs (PDF) - (2 pp, 29K)
• Appendix E: ECOTOX Papers Not Used (PDF) - (237 pp, 1.75MB)
• Appendix F: Designated Critical Habitat Maps (PDF) - (2 pp, 299K)
• Appendix G: Multi AI Product Analysis (PDF) - (6 pp, 76K)
• Appendix H: Riparian Analysis (PDF) - (4 pp, 34K)
• Appendix I: Baseline and Cumulative (PDF) - (20 pp, 85K)

Top of page

Effects Determination for Atrazine Relative to Eight Listed Freshwater Mussel Species and Designed Critical Habitat

Transmittal letter (PDF) - From Arthur-Jean B. Williams, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (March 14, 2007) (2 pp, 74K)

Comments from Syngenta (PDF) - From Syngenta to Arthur-Jean B. Williams, Environmental Fate and Effects Division (submitted electronically March 12, 2007) (30 pp, 838K)

Comments from Triazine Network (PDF) - From Triazine Network Chairman Jere L. White to Arthur-Jean B. Williams, Environmental Fate and Effects Division (submitted electronically March 12, 2007) (5 pp, 77K)

Comments from Natural Resources Defense Council (PDF) - From Natural Resources Defense Council (NRDC) to Arthur-Jean B. Williams, Environmental Fate and Effects Division (submitted electronically March 14, 2007) (10 pp, 98.31K)

• NRDC Attachment A (PDF) - Attachment to "Comments from Natural Resources Defense Council (March 14, 2007) (16 pp, 758K)
• NRDC Attachment B (PDF) - Attachment to "Comments from Natural Resources Defense Council (March 14, 2007) (28 pp, 1.29Mb)
• NRDC Attachment C (PDF) - Attachment to "Comments from Natural Resources Defense Council (March 14, 2007) (10 pp, 486K)
• NRDC Attachment D) (PDF) - Attachment to "Comments from Natural Resources Defense Council (March 14, 2007) (29 pp, 362K)
• NRDC Attachment E (PDF) - Attachment to "Comments from Natural Resources Defense Council (March 14, 2007) (64 pp, 1.09Mb)
• NRDC Attachment F (PDF) - Attachment to "Comments from Natural Resources Defense Council (March 14, 2007) (17 pp, 355K)

Comments from CropLife America (PDF) - From Isi Siddiqui, Ph.D., Vice President, Science and Regualtory Affairs, CropLife America to Joy Schnackenbeck, Special Review and Reregistration Division, Office of Pesticide Programs (March 9, 2007) (2 pp, 495K)

Transmittal memo (PDF) - From Anita Pease, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (February 28, 2007) (2 pp, 105K)

Errata Sheet for Effects Determination (PDF) “Risks of Atrazine Use to Eight Federally Listed Endangered Freshwater Mussels- February 28, 2007” (1 p, 20K)

Effects Determination (PDF) - Effects determination for atrazine relative to eight listed freshwater mussel species and designated critical habitat (February 28, 2007) (200 pp, 7.7MB)

• Appendix A: Ecological Effects Data (PDF) (126 pp, 1.73MB)
  
• Appendix B: Community-level Threshold Concentrations Supporting Information (PDF) (68 pp, 2.04MB)
  
• Appendix C: Status and Life History of the Eight Assessed Mussels (PDF) (41 pp, 2.18MB)
  
• Appendix D: Table D-1 Summary of Site Nomenclature for 40 Atrazine Ecological Monitoring Sites (PDF) (34 pp, 866K)
  
• Appendix E: Additional Incident Database Information (PDF) (10 pp, 622K)
  
• Appendix F: The Risk Quotient Method and Levels of Concern (PDF) (2 pp, 69K)
  
• Appendix G: Bibliography of ECOTOX Open Literature Not Evaluated (PDF) (238 pp, 4.40MB)
  
• Appendix H: Description of Cumulative Effects and Environmental Baseline of the Assessed Mussels (PDF) (52 pp, 7.7MB)
  

Top of page

Six Aquatic Chesapeake Bay Watershed Species and 1 Alabama River Watershed Species

Input from Syngenta (PDF) - Letter and supporting documentation from Janis McFarland, Head, Regulatory Affairs, NAFTA, Syngenta Crop Protection, Inc. to James H. Lecky, Ph.D., Director, Office of Protected Resources, National Marine Fisheries Service regarding Syngenta's Review of the National Marine Fisheries Services' Letter of May 29, 2007 (and the accompanying technical appendix) Titled "Request for Endangered Species Act Section 7 Informal Consultation on the Environmental Protection Agency's Re-registration and use of Atrazine in the Chesapeake Bay Watershed, September 1, 2006". (August 9, 2007) (56 pp, 1.74MB)

Request for Baseline Status and Cumulative Effects Information (PDF) from Arthur Jean B. Williams, Associate Director, Environmental Fate and Effects Division, Office of Pesticide Programs, US EPA to James H. Lecky, Director, Office of Protected Resources, National Marine Fisheries Service (June 7, 2007) (2 pp, 35.81K)

NMFS Response to Informal Consultation Request (PDF) for atrazine from James H. Lecky, Director, Office of Protected Resources, National Marine Fisheries Service to Arthur Jean B. Williams, Associate Director, Environmental Fate and Effects Division, Office of Pesticide Programs, US EPA (May 29, 2007) (6 pp, 371K)

• Technical Appendix (PDF) to NMFS Response to Informal Consultation Request for atrazine (42 pp, 1.48MB)

Transmittal letter (PDF)  for atrazine from Arthur-Jean B. Williams, Associate Director, Environemntal Fate and Effects Division to James Lecky, National Marine Fisheries Service and Bryan Arroyo, US Fish and Wildlife Service (August 31, 2006) (2 pp, 34K)

Transmittal letter (PDF) for amended assessments of atrazine from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to James Lecky, National Marine Fisheries Service and Bryan Arroyo, US Fish and Wildlife Service (March 21, 2007) (2pp, 26K)

Transmittal memo (PDF)  for effects determination for atrazine relative to 6 aquatic species in the Chesapeake Bay watershed from Anita Pease, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (August 31, 2006) (2 pp, 32K)

Effects Determination (AMENDED) for Atrazine relative to 6 aquatic species in the Chesapeake Bay watershed (PDF) (182 pp, 7.47MB)

• List of Sections Amended (PDF) (1 p, 2283K)
• Appendix A: (AMENDED) Ecological Effects Characterization (126 pp, 1.04MB)
• Appendix B: (AMENDED) Supporting Information for the Aquatic Community level threshold concentrations (PDF) (72 pp, 1.48MB)
• Appendix C: Stepwise Approach to Modeling in Chesapeake Bay Endangered Species Assessment (PDF) (48 pp, 643K)
• Appendix C-2: Description of two assumptions in Residential Exposure (3 pp, 41K)
• Appendix D: Stepwise Approach to Modeling Using the Residential Scenario as an Example (PDF) (47 pp, 675K)
• Appendix E: (AMENDED) Incident Database Information (PDF) (10 pp, 61K)
• Appendix F: The Risk Quotient Method Levels of Concern (PDF) (3 pp, 57K)
• Appendix G: Maps of Submerged Aquatic Vegetation (PDF) (5 pp, 187K)
• Appendix H: Jellyfish Monitoring Data (PDF) (4 pp, 368K)
• Appendix I: Evaluation of Potential for Atrazine to Affect Dwarf Wedgemussels (PDF) (18 pp, 819K)
• Appendix J-1: (NEW) Bibliography of ECOTX Open Literature Not Used (PDF) (127 pp, 1.17MB)
• Appendix J-2: (NEW) Bibliography of ECOTOX Open Literature Rejected (PDF) (111 pp, 1.01MB)

Transmittal memo (PDF) for effects determination for atrazine relative to the Alabama Sturgeon in the Alabama river watershed from Anita Pease, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (August 31, 2006) (1 page, 21 KB)

Effects (AMENDED) Determination for Atrazine relative to the Alabama Sturgeon in the Alabama River watershed (PDF) (132 pp, 5.93MB)

• Appendix A: (AMENDED) Ecological Effects Characterization (PDF) (126 pp, 1.04MB)
• Appendix B: (AMENDED) Supporting Information for the Aquatic Community level threshold concentrations (PDF) (71 pp, 1.48MB)
• Appendix C: Status of Life History of the Alabama Sturgeon (PDF) (6 pp, 126K)
• Appendix D: Description of the Six Assessed Listed Species (PDF) (22 pp, 60K)
• Appendix E: (AMENDED) Incident Database Information (PDF) (10 pp, 61K)
• Appendix F: The Risk Quotient Method Levels of Concern (PDF) (2 pp, 39K)
• Appendix G: (NEW) Bibliography of ECOTOX Open Literature Not Evaluated (PDF) (238 pp, 2.18MB)

Top of page

Barton Springs Salamander

Transmittal memo (PDF)of effects determination for atrazine relative to the Barton springs salamander from Anita Pease to Arthur-Jean Williams, Associate Director, Environmental Fate and Effects Division (August 22, 2006) (1 p, 32K)

Effects Determination for Atrazine relative to the Barton Springs Salamander (PDF) (103 pp, 4.8MB)

• Appendix A: Ecological Effects (PDF) (119 pp, 2MB)
• Appendix B: Community-Level Threshold Concentrations (PDF) (69 pp, MB)
• Appendix C: Scenario Development (PDF)(41 pp, 1.35MB)
• Appendix D: Barton Springs Salamander Life History (PDF) (14 pp, 151K)
• Appendix F: Incident Database Information (PDF) (5 pp, 65K)
• Appendix G: Risk Quotient Method and Levels of Concern (PDF) (3 pp, 73K)

Pacific Salmon and Steelhead

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, National Marine Fisheries Service (August 1, 2003) (1 p, 59.3K)

Memorandum (PDF) from Larry Turner, Ph.D., Environmental Field Branch to Arthur-Jean B. Williams, Chief, Environmental Field Branch (August 1, 2003) (1 p, 57.9K)

Atrazine Analysis (PDF) (25 pp, 217K)

Effects Determination for Acrolein

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, Director, Office of Protected Resources (2 pp, 11.3K)

Memorandum (PDF) from Larry Turner, Ph.D., and William Erickson, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (2 pp, 12.4K)

Acrolein Analysis (PDF) (49 pp, 377K)

• Attachment 1: Magnacide H Herbicide Application and Safety Manual and Label (PDF) (30 pp, 1.21M)
• Attachment 2: Final Biological Opinion (PDF) (98 pp, 4.10M)

Effects Determination for Oryzalin

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, Director, Office of Protected Resources (2 pp, 75.6K)

Memorandum (PDF) from Larry Turner, Ph.D., and William Erickson, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (2 pp, 41.6K)

Oryzalin Analysis (PDF) (86 pp, 1.57MB)

• Attachment 1: Oryzalin Interim Reregistration Eligibility Decision (PDF)
• Attachment 2: Oryzalin Labels
• Surflan 75WSP (17 pp, 734K, TIFF)
• Surflan A.S. (2 pp, 65.5K, TIFF)
• Snapshot (27 pp, 800K, TIFF)
• XL 2G (21 pp, 727K, TIFF)
• Oryzalin 4 (16 pp, 560K, TIFF)
• Excel-S-Plus (4 pp, 270K, TIFF)
• Expedite (15 pp, 1.27MB, TIFF)
• Oryzalin Coated Granules (9 pp, 406K, TIFF)

Top of page

Effects Determination for Chlorpyrifos

EPA response to NMFS July 31, 2008 Draft Biological Opinion (PDF) from Debra Edwards, Director, Office of Pesticide Programs, U.S. EPA to James H. Lecky, Director, Office of Protected Resources, National Marine Fisheries Service, U.S. Department of Commerce (6 pp, 459K)

Draft Biological Opinion (PDF) under the Endangered Species Act, by the National Marine Fisheries Service, related to Pesticides and Pacific Salmon and Steelhead species (381 pp, 10.41MB)

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, Director, Office of Protected Resources (3 pp, 105K)

Memorandum (PDF) from Larry Turner, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (2 pp, 53.3K)

Chlorpyrifos Analysis (PDF) (134 pp, 567K)

• Attachment 1: Chlorpyrifos Estimated Annual Agricultural Use
• Attachment 2: Composition of U.S. Lorsban formulations (PDF) (2 pp, 49K)
• Attachment 3: Chlorpyrifos Labels
  • Lorsban-4E (40 pp, 1.41MB, TIFF)
  • Dursban TC (14 pp, 520 K, TIFF)
  • Lorsban 15G (17 pp, 498K, TIFF)
  • Dursban Pro (13 pp, 395K, TIFF)
  • Dursban 4E-N (19 pp, 675K, TIFF)
  • ULV Mosquito Master 412 (2 pp, 107K, TIFF)
  • Ultra Insecticide (3 pp, 151K, TIFF)
  • Chlorpyrifos 4E (298KB)
  • Residual Concentrate DV-One (5 pp, 201K TIFF)
• Chlorpyrifos Interim Reregistration Eligibility Decision (PDF)
• Environmental Fate and Effects Part 1 (425K)
  • Part 2 (208K)
  • Part 3 (218K)
  • Part 4 (2.2MB)
  • Appendix 1 (2K)
  • Appendix 2 (15K)
  • Appendix 3 (2M)
  • Appendices 4 & 5 (17K)
  • Appendix 6 (115K)
  • Appendix 7 (32K)
• Dow Chemical Co. Analysis (2.29MB)

Effects Determination for Methomyl

EPA response to NMFS March 18, 2009 Draft Biological Opinion (PDF) from Debra Edwards, Director, Office of Pesticide Programs, U.S. EPA to James H. Lecky, Director, Office of Protected Resources, National Marine Fisheries Service, U.S. Department of Commerce (10 pp, 720K)

Draft Biological Opinion (PDF) under the Endangered Species Act, by the National Marine Fisheries Service, related to Pesticides and Pacific Salmon and Steelhead species (608 pp, 11.38MB)

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, Director, Office of Protected Resources (2 pp, 73.3K)

Memorandum (PDF) from Larry Turner, Ph.D., and William Erickson, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (2 pp, 40.0K)

Methomyl Analysis (PDF) (82 pp, 1.75MB)

• Attachment 1: Methomyl Reregistration Eligibility Decision (PDF)
• Attachment 2: Labels
• DuPont Lannate SP (20 pp, 857K, TIFF)
• DuPont Lannate LV (19 pp, 859K, TIFF)
• Farnam Die Fly (5 pp, 137K, TIFF)
• Golden Malrin RF-128 Fly Killer (4 pp, 99.8K, TIFF)
• Methomyl 5G Granules (3 pp, 152K, TIFF)

Top of page

Effects Determination for Carbaryl

Effects Determination for Carbaryl Relative to the Barton Springs Salamander

Transmittal letter (PDF) – from Arthur-Jean B. Williams, Acting Director, Environmental Fate and Effects Division, USEPA to Bryan Arroyo, Acting Assistant Director for Endangered Species, US Fish and Wildlife Service (September 21, 2007) (2 pp, 30K)

Transmittal memo (PDF) – from Thomas Steeger, Ph.D., Senor Biologist, Environmental Fate and Effects Division, USEPA to Arthur-Jean B. Williams, Acting Director, Environmental Fate and Effects Division, USEPA (September 20, 2007) (1 p, 30K)

Effects Determination (inclusive of appendices) (PDF) – Effects determination for carbaryl relative to the Barton springs salamander, inclusive of appendices) (September 19, 2007) (602 pp, 12.30MB)

Effects Determination for Carbaryl Relative to 26 Pacific Salmon and Steelhead

EPA response to NMFS March 18, 2009 Draft Biological Opinion (PDF) from Debra Edwards, Director, Office of Pesticide Programs, U.S. EPA to James H. Lecky, Director, Office of Protected Resources, National Marine Fisheries Service, U.S. Department of Commerce (10 pp, 720K)

Draft Biological Opinion (PDF) under the Endangered Species Act, by the National Marine Fisheries Service, related to Pesticides and Pacific Salmon and Steelhead species (608 pp, 11.38MB)

Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, Director, Office of Protected Resources (2 pp, 77.1K)

Memorandum (PDF) from Larry Turner, Ph.D., and William Erickson, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (2 pp, 44.5K)

Carbaryl Analysis (PDF) (110 pp, 499K)

• Attachment 1: Carbaryl Environmental Fate and Ecological Risk Assessment (178 pp, 1.70MB)
• Attachment 2: Carbaryl Quantitative Usage Analysis (16 pp, 159K)
• Attachment 3: Revised Estimate of Carbaryl Concentrations in Aquatic Environments (PDF)
• Attachment 4: Carbaryl Labels
• Carbaryl 80WP (18 pp, 653K, TIFF)
• Sevin 50W (30 pp, 1.10MB, TIFF)
• Carbaryl Insecticide Spray RTU (8 pp, 294K, TIFF)
• Sevin brand Granular (5 pp, 232K, TIFF)
• AES Carbaryl Insecticide Spray RTU (7 pp, 242K, TIFF)
• Security Brand Sevin Spray (8 pp, 348K, TIFF)
• Riverdale 5% Sevin Dust (6 pp, 212K, TIFF)
• Bonide Fruit Tree Spray (6 pp, 143K, TIFF)
• Bonide Vegetable-Floral Dust or Spray (6 pp, 140K, TIFF)
• Riverdale Tomato & Potato Dust or Spray (4 pp, 163K, TIFF)
• Liquid Sevin (6 pp, 196K, TIFF)
• Dragon Sevin Liquid (14 pp, 633K, TIFF)
• Sevin WP (3 pp, 117K, TIFF)
• Grubtox (10 pp, 289K, TIFF)
• Dragon10% Sevin Dust (6 pp, 211K, TIFF)

Effects Determination for Thiodicarb

Determination of no effects for Thiodicarb for Pacific Anadromous Salmonids (PDF) (03/31/03) (13 pp, 88K)

Effects Determination for Dicamba

Determination of no effect for Dicamba for Pacific Anadromous Salmonids (PDF) (03/27/03) (5 pp, 71K)

Effects Determination for Norflurazon

Determination of no effect for Norflurazon for Pacific Anadromous Salmonids (PDF) (03/27/03) (18 pp, 127K)

Top of page

---

Effects Determination for Three Forestry Pesticides

Transmittal Letter from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, Director, Office of Protected Resources (2 pp, 48.5K)

Memorandum from Larry Turner, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (17 pp, 208K)

Determination of no effect for Triclopyr TEA for Pacific Anadromous Salmonids (11/30/02) (2 pp, 159K)

Effects Determination for Eight Forestry Pesicides

Transmittal Letter from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Everett Wilson, Chief, Division of Environmental Quality, U.S. Fish and Wildlife Service (2 pp, 22K)
Attachment - 33 Listed Plant Species (1 p, 40K)

Memorandum from Larry Turner, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (30 pp, 150K)

Effects Determination for Paraquat

Determination of no effect for Paraquat Dichloride for Pacific Anadromous Salmonids (12/23/02) (13 pp, 68K)

Effects Determination for Triallate

Determination of no effect for Triallate for Pacific Anadromous Salmonids (11/30/02) (3 pp, 213K)

Effects Determination for Triclopyr TEA

Determination of no effect for Triclopyr TEA for Pacific Anadromous Salmonids (11/30/02) (2 pp, 159K)

Top of page

Effects Determination for Bensulide

Transmittal letter from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, Director, Office of Protected Resources (3 pp, 242K)

Memorandum from Larry Turner, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (2 pp, 102K)

Bensulide Analysis (776K)

• Attachment 1: Bensulide Labels
  • Prefar® 4-E (8 pp, 307K, TIFF)
  • Prefar® 6-E (8 pp, 308K, TIFF)
  • Betasan® 7-G (4 pp, 182K TIFF)
  • Betasan® 3.6 G (7 pp, 224K, TIFF)
  • Custom Mix 20-4-10 with Betasan (11 pp, 258K, TIFF)
  • Green Light Betasan 3.6 Granules (8 pp, 200K, TIFF)
  • PRE-SAN® 7G (6 pp, 223K, TIFF)
  • Betasan® 12.5G (4 pp, 176K, TIFF)
  • Goosegrass/Crabgrass Control (8 pp, 201K, TIFF)
  • Betasan® 4E (6 pp, 210K, TIFF)
  • Betasan® 3.6G (3 pp, 119K, TIFF)
• Attachment 2: Bensulide Interim Reregistration Eligibility Decision (IRED) (261KB)
• Attachment 3: Bensulide Quantitative Usage Analysis (2 pp, 99K)
• Attachment 4: Bensulide Estimated Annual Agricultural Use
• Attachment 5: Bensulide Environmental Risk Assessment
• Attachment 6: Revised Risk Assessment and Risk Characterization for Risk to Aquatic Organisms from Use in Turf (16 pp, 847K)

 

Effects Determination for Fenbutatin Oxide on Pacific Anadromous Salmonids (11/29/02)

Transmittal letter from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, Director, Office of Protected Resources (3 pp, 240K)

Memorandum from Larry Turner, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (2 pp, 93K)

Fenbutatin Oxide Analysis of Risks to Endangered and Threatened Salmon and Steelhead (111 pp, 339K)

• Attachment 1: Fenbutatin Oxide Labels
  • Vendex® 50WP (14 pp, 433K, TIFF)
  • Ortho® Orthenex® (5 pp, 191K, TIFF)
  • Ortho® Systemic Insect Killer (5 pp, 304K, TIFF)
• Attachment 2: Fenbutatin Oxide Reregistration Eligibility Decision (RED) (56 pp, 1MB)
• Attachment 3: Quantitative Usage Analysis for Fenbutatin Oxide (111MB)
• Attachment 4: Estimated Annual Agricultural Use - Fenbutatin Oxide

Top of page

Effects Determination of Metolachlor on Pacific Anadromous Salmonids (11/29/02)

Transmittal letter of Refined Metolachlor Analysis from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to James Lecky, Director, Office of Protected Resources National Marine Fisheries Service, June 23, 2006 (3 pp, 37K)

Refined Metolachlor Analysis of Risks of Endangered and Theatened Salmon and Steelhead, June 19, 2006 (534 pp, 10MB)

Transmittal letter from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, Director, Office of Protected Resources (3 pp, 203K)

Memorandum from Larry Turner, Ph.D., and William Erickson, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (2 pp, 87K)

Metolachlor Analysis of Risks to Endangered and Threatened Salmon and Steelhead (81 pp, 294K)

• Attachment 1: Metolachlor Labels
  • Broadstrike® + Dual® (26 pp, 1.03MB, TIFF)
  • INTER Plus II (39 pp, 1.51MB, TIFF)
  • Turbo® 8 EC (18 pp, 925K, TIFF)
  • Broadstrike SF ® + Dual® (26 pp, 1.03MB, TIFF)
• Attachment 2: Metolachlor Reregistration Eligibility Decision (RED) (126 pp, 759K)
• Attachment 3: Estimated Annual Agricultural Use - Metolachlor

Effects Determination of Prometryn on Pacific Anadromous Salmonids (11/29/02)

Transmittal letter from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, Director, Office of Protected Resources (3 pp, 200K)

Memorandum from Larry Turner, Ph.D., and William Erickson, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (1 p, 69K)

Prometryn Analysis of Risks to Endangered and Threatened Salmon and Steelhead (71 pp, 270K)

• Attachment 1: Prometryn Labels
  • Prometryne 4L Herbicide (10 pp, 353K, TIFF)
  • Gowan Prometryne 4L Herbicide (12 pp, 616K, TIFF
  • Cotton-Pro® (17 pp, 663K, TIFF)
  • Prometrex 4L (4 pp, 157K, TIFF)
  • Prometryne + MSMA (9 pp, 325K, TIFF)
  • Prometryne 4L (4 pp, 314K, TIFF
  • Caparol® 4L (13 pp, 560K, TIFF)
• Attachment 2: Prometryn Reregistration Eligibility Decision (RED) (63 pp, 535K)
• Attachment 3: Estimated Annual Agricultural Use - Prometryn

• Determination of no effect for Alachlor on Pacific Anadromous Salmonids (5/30/02) (4 pp, 72K)
• Determination of no effect for Bentazon on Pacific Anadromous Salmonids (5/28/02) (5 pp, 27K)
• Determination of no effect for Pebulate on Pacific Anadromous Salmonids (5/30/02) (4 pp, 24K)
• Effects Determinations for Propargate on Pacific Anadromous Salmonids (8/1/02)

  Transmittal letter from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, Director, of Office of Protected Resources (3 pp, 64K)

  Memorandum from Larry Turner, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (1 p, 57K)

  Propargite Analysis of Risks to Endangered and Threatened Salmon and Steelhead (80 pp, 457K)

  • Attachment 1: Propargite Labels
    • OMITE® Technical (1 pp, 66K, TIFF)
    • OMITE®-30W (7 pp, 268K, TIFF)
    • OMITE®-30W for use in the State of California (2 pp, 86K)
    • OMITE®-6E (6 pp, 261K, TIFF)
    • OMITE®-6E for use in the States of Oregon and Washington (1 p, 79K)
    • COMITE® (6 pp, 218K, TIFF)
    • COMITE® for use in the States of: Alabama, Arizona, Arkansas, California, Georgia, Idaho, Mississippi, Montana, Nevada, North Carolina, Oregon, South Carolina, Texas, Utah, Virginia, Washington, Wisconsin, Wyoming (6 pp, 404K)
    • COMITE® II (5 pp, 197K, TIFF)
    • OMITE®-CR for California only (5 pp, 181K, TIFF)
    • OMITE®-CR not for use in California (6 pp, 295K, TIFF)
    • Special Local Need Registrations For OMITE®-CR not for use in California (2 pp, 111K)
    • OMITE®-30WS (7 pp, 286K, TIFF)
    • OMITE®-30WS for use in the State of California (2 pp, 52K)
  • Attachment 2: Quantitative Usage Analysis for propargite (2 pp, 119K)
  • Attachment 3: Environmental Fate and Effects Analysis for Propargite (80 pp, 340K)
  • Attachment 4: Propargite RED (151 pp, 1452K)
  • Attachment 5: Reponse to Propargite RED (8 pp, 295K)
  • Attachment 6: Interim Measures County Bulletin for Butte County, CA (44 pp, 931K)
  • Attachment 7: Limitations of Propargite Use in California (1 p, 38K)
• Effects Determinations for Molinate and Thiobencarb on Pacific Anadromous Salmonids (8/1/02)

  Transmittal letter (PDF) from Arthur-Jean B. Williams, Chief, Environmental Field Branch, to Don R. Knowles, Director, of Office of Protected Resources (3 pp, 64K)

  Memorandum (PDF) from Larry Turner, Ph.D., Environmental Field Branch, to Arthur-Jean B. Williams, Chief, Environmental Field Branch (22 pp, 219K)

Top of page

 

 

Publications | Glossary | A-Z Index | Jobs

Local Navigation

• Pesticides Home
• Environmental Effects Home

  ---

• Endangered Species Protection Program Home
• Basic Information
• Frequent Questions
• Species Information
• Bulletins Live!
• Risk Assessment Process
• Effects Determinations
• For Kids:
  • Coloring Book
  • Poster

• EPA Home
• Privacy and Security Notice
• Contact Us