PUBLIC HEALTH ASSESSMENT
SILRESIM CHEMICAL CORPORATION
LOWELL, MIDDLESEX COUNTY, MASSACHUSETTS
APPENDIX A
Silresim Site Figures
Figure A-2 Exploration Location Plan
APPENDIX B
List of Chemicals Stored at Silresim at of March 1978
This section is not available for the Internet. To obtain a hard copy of the document, please contact:
Agency for Toxic Substances and Disease Registry
Division of Health Assessment and Consultation
Attn: Chief, Program Evaluation, Records, and Information Services
Branch, E-56
1600 Clifton Road NE, Atlanta, Georgia 30333
APPENDIX C
Chemical Data Summary Tables
The following tables were not available in electronic format for conversion to HTML at the time of preparation of this document. To obtain a hard copy of the document, please contact:
Agency for Toxic Substances and Disease Registry
Division of Health Assessment and Consultation
Attn: Chief, Program Evaluation, Records, and Information Services
Branch, E-56
1600 Clifton Road NE, Atlanta, Georgia 30333
APPENDIX D
Tables and Figure, Current Descriptive Health Study
With the exception of Table D-1 and Figure 3, the following section was not available in electronic format for conversion to HTML at the time of preparation of this document. To obtain a hard copy of the document, please contact:
Agency for Toxic Substances and Disease Registry
Division of Health Assessment and Consultation
Attn: Chief, Program Evaluation, Records, and Information Services
Branch, E-56
1600 Clifton Road NE, Atlanta, Georgia 30333
Table D-1
1982-1989 Cancer Incidence
Lowell
Cancer | Total | Male | Female | ||||||||||||
Obs | Exp | SIR | 95% CI | Obs | Exp | SIR | 95% CI | Obs | Exp | SIR | 95% CI | ||||
Bladder | 142 | 132.3 | 107 | 90-126 | 105 | 92.4 | 114 | 93-138 | 37 | 39.9 | 93 | 66-130 | |||
Hodgkin's Lymphoma | 22 | 29.4 | 75 | 47-114 | 11 | 15.4 | 72 | 36-131 | 11 | 14.0 | 79 | 42-151 | |||
Leukemia | 59 | 61.0 | 97 | 119-170 | 30 | 32.5 | 92 | 63-133 | 29 | 28.5 | 102 | 73-124 | |||
Liver | 15 | 13.7 | 110 | 64-190 | 9 | 9.2 | 98 | 45-189 | 6 | 4.5 | 133 | 54-326 | |||
Lung | 516 | 443.2 | 116 | 106-126 | 337 | 271.1 | 124 | 111-138 | 179 | 172.1 | 104 | 89-120 | |||
NHL | 71 | 100.6 | 71 | 55-89 | 45 | 48.9 | 92 | 68-125 | 26 | 21.7 | 50 | 33-74 | |||
(Non-Hodgkins Lymphoma) | |||||||||||||||
Prostate | 213 | 266.2 | 80 | 69-91 | 213 | 266.2 | 80 | 69-91 | |||||||
Soft Tissue Sarcoma | 16 | 21.1 | 76 | 43-123 | 9 | 12.0 | 75 | 34-142 | 7 | 9.1 | 77 | 31-160 |
Note:
SIRs are calculated based on the exact number of expected cases.
Expected numbers of cases presented here are rounded to the nearest tenth.
SIR = Standard Incidence Ratio
* = statistical significance Exp
Obs = Observed number of cases
= Expected number of cases
NC = Not Calulated when observed < 5.
APPENDIX E
Exposure Pathway Summary Table
Table E-1
Completed Exposure Pathways
Silresim Chemical Corporation
Lowell, Massachusetts
pathway name | EXPOSURE PATHWAY ELEMENTS | TIME | ||||
SOURCE | ENVIRONMENTAL MEDIA | POINT OF EXPOSURE |
ROUTE OF EXPOSURE |
EXPOSED POPULATION |
||
SOIL (0-6 IN.) |
Silresim; other industries in the area |
soil (0-6 inches) |
site; surrounding area |
ingestion absorption |
children residents workers |
past present |
SURFACE WATER |
silresim; other industries in the area |
surface water | east pond; river meadow brook |
ingestion absorption |
children | future |
AMBIENT AIR | silresim; other industries in the area |
ambient air | nearby residences and businessess | inhalation | residents workers |
past present future |
INDOOR AIR | silresim | groundwater plume indoor air | basements of nearby residences and buildings | inhalation | residents workers |
past future |
SEDIMENT | silresim | sediment | east pond; river meadow brook |
ingestion absorption |
children residents |
past present future |