Water: NDWAC Contaminant Candidate List (CCL) Classification Process Working Group Working Group
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Drinking WaterNational Drinking Water Advisory CouncilNDWAC Contaminant Candidate List (CCL) Classification Process Working Group Working Group
Drinking WaterNational Drinking Water Advisory CouncilNDWAC Contaminant Candidate List (CCL) Classification Process Working Group Working GroupNDWAC Contaminant Candidate List (CCL) Classification Process Working Group Working Group
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- Membership Roster PDF (2pp, 25K)
Meeting Summaries
- March 4-5, 2004 Meeting Summary (310 K PDF, 37 pgs)
- January 22-23, 2004 Meeting Summary (247 K PDF, 41 pgs)
- November 13-14, 2003 Meeting Summary (PDF, 176K)
Attachments:
A. Work Group Members present (PDF, 13K)
B. Agenda (PDF, 48K)
C. Summary of Activities and Issues for Discussion (PDF, 162K)
D. Screening the CCL Universe to the PCCL (PDF, 332K)
E. Attribute Scoring (PDF, 255K)
F. Training Set of Chemical Contaminants (PDF, 264K)
G. Big Issues (PDF, 16K)
H. Next Steps to Create CCL Work Group Report to the NDWAC (PDF, 44K) - September 17-18, 2003 Meeting Summary (PDF, 81K)
Attachments:
A. Work Group Members present (PDF, 11K)
B. Agenda (PDF, 57K)
C. Summary of Activities and Next Steps (PDF, 203K)
D. CCL Universe Example Data Set - Update (PDF, 168K)
E. Initial Evaluation of QSAR Modeling for Screening the CCL Universe to the PCCL (PDF, 210K)
F. Binning as a Screening Process for the Universe to the PCCL (PDF, 200K)
G. Data Extraction: 40 Chemicals from 18 Sources (PDF, 477K)
H. Accounting for Certainty/Confidence in Attribute Scoring (PDF, 159K)
I. Perspectives on the CCL Classification Process and Prototype Modeling (PDF, 64K)
J. Potency - Calibration and Scoring for the PCCL (PDF, 236K)
K. Severity - Developing a Scoring Scale for Screening Contaminants (PCCL to CCL) (PDF, 143K) - July 16-17, 2003 Meeting Summary (PDF, 162K)
Attachments:
A. Work Group Members present (PDF, 103K)
B. Agenda (PDF, 137K)
C. May-July CCL Work Group Activities (PDF, 112K)
D. Defining the Microbial Universe (PDF, 141K)
E. Example CCL Universe Data Set: Progress and Recommendations (PDF, 2747K) - May 12-13, 2003 Meeting Summary (PDF, 228K)
Attachments:
A. Work Group Members present (PDF, 58K)
B. Agenda (PDF, 145K)
C. NRWA and NDWAC Contaminant Candidate List Workgroup (PDF, 115K)
D. Discussion Draft Table of Contents for Report to NDWAC (PDF, 122K)
E. Data Activity Group update (PDF, 105K)
F. Continuing Discussion to Describe Guidelines For Building the CCL Universe (PDF, 124K)
H. Methods Activity Group update (PDF, 219K)
I. Draft Proposed Universe to PCCL Process (PDF, 242K)
J. VFAR Activity Summary (PDF, 108K)
K. Attributes Summary (PDF, 91K)
L. NRC Attributes, Potential Data Elements, Issues and Alternatives for Chemicals (PDF, 40K)
M. NRC Attributes, Potential Data Elements, Issues and Alternatives for Microbes (PDF, 116K) - March 27-28, 2003 Meeting Summary (PDF, 177K)
Attachments:
A. Work Group Members present (PDF, 58K)
B. Agenda (PDF, 131K)
C. Methods Activity Group update (PDF, 211K)
D. Data Activity Group update (PDF, 89K)
E. Introduction to Attributes Discussion (PDF, 154K)
F. Initial List of Principles to Consider When Developing Attributes (PDF, 72K)
G. Microbes are Different (PDF, 239K)
H. Drinking water microbiology: the state of knowledge (PDF, 604K)
I. Building the CCL Universe (PDF, 138K)
J. Draft Proposed Universe to PCCL Process (PDF, 100K) - February 5-6, 2003 Meeting Summary (PDF, 230K)
Attachments:
A. Work Group Members present (PDF, 61K)
B. Agenda (PDF, 149K)
C. Revised Operational Protocols (PDF, 114K)
D. Revised Guiding Principles (PDF, 79K)
E. Overview: National Priority Drinking Water Regulations (PDF, 162K)
F. State Role in Water Supply and Rule Development and Implementation (PDF, 69K)
G. Drinking Water Regulation and Supply from a Utility Perspective (PDF, 189K)
H. Methods Activity Group: Update for the CCL Work Group (PDF, 102K)
I. Data Activity Group: Update for the CCL Work Group (PDF, 310K)
J. VFAR Activity Group: Update for the CCL Work Group (PDF, 347K) - December 16-17, 2002 Meeting Summary (PDF, 187K) ~ FR Notice (PDF, 66K)
Attachments:
A. Work Group Members present (PDF, 68K)
B. Agenda (PDF, 126K)
C. Work Plan Overview Presentation (PDF, 645K)
D. Flow Chart Diagram of Draft Work Plan (PDF, 199K)
E. Regulatory Development Process Diagrams (PDF, 117K)
F. Revised Draft Work Plan (PDF, 146K)
G. Guiding Principles Presentation (PDF, 92K)
H. Comments on Draft Guiding Principles (PDF, 76K)
I. Universe Activity Group Presentation (PDF, 90K)
J. Classification Processes Activity Group Presentation (PDF, 80K)
K. VFAR Activity Group Presentation (PDF, 166K)
L. Operational Protocols (PDF, 111K) - September 18-19, 2002 First Meeting Summary