PUBLIC HEALTH ASSESSMENT ADDENDUM
IRON HORSE PARK
BILLERICA, MIDDLESEX COUNTY, MASSACHUSETTS
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
APPENDIX 2
Site Figures
APPENDIX 3
Tables 1-11
Table 1
On-Site Surface Water Contamination
| Contaminant |
Level |
Location | AWQC (in ppb) |
| Vinyl Chloride Benzene Arsenic Lead Mercury |
19 12 1,230 1,260 2.2 |
In leachate seepage into Content Brook |
0 0 0 50 .144 |
Table 2
On-Site Surface Water Sediment Contamination
| Contaminant | Level (in ppm) |
Location | EMEG (in ppm)* |
| Arsenic | 11 | In leachate seepage into Content Brook |
20 |
Table 3
On-Site Ground Water Contamination
| Contaminant | Level (in ppb) |
Location | Comparison Value (in ppb) |
Source | Depth |
| Arsenic Arsenic |
849 340 |
At eastern edge Near Content Brook |
.02 .02 |
CREG CREG |
Deep overburden Shallow Overburden |
| Arsenic Benzene Vinyl Chloride |
368 91 130 |
On landfill 940 ft. West of Content Brook |
.02 1.0 0.2 |
CREG CREG EMEG(c) |
Shallow Overburden |
| Lead | 21 | Residential Section of Landfill |
15 | MCL | Deep overburden |
| Benzene Lead |
6.8 23 |
Commercial Section of Landfill near Middlesex Canal |
1.0 15 |
CREG MCL |
Deep overburden |
| Trichlorethylene | 60 | Western Boundary of Site | 3 | CREG | Deep overburden |
| Benzene | 16 | North of Commercial Section near Richardson Pond |
1.0 | CREG | Unknown |
| Vinyl Chloride Benzene |
17 13 |
Juncture of Commercial and Residential Sections |
0.2 1.0 |
EMEG(c) CREG |
Unknown |
Table 4
On-Site Air Contamination
| Contaminant | Level in ppm |
Location | EMEG(a) in ppm |
| Benzene Toluene Xylenes Trichloroethene Tetrachlorethene |
6.65 10.9 26.4 .235 .238 |
Within Gas Collection System at Landfill |
.002 .3 NA NA .3 |
Table 5
Off-Site Surface Water Contamination
| Contaminant | Level [in parts per billion (ppb)] |
Location | AWQC (in ppb)* |
| Vinyl Chloride Arsenic |
35 67 |
In leachate seepage into Richardson Pond |
0 0 |
*Ambient Water Quality Criteria (AWQC) are established by federal environmental agencies for
guidance with respect to effects of surface water pollutants on human health and safety of aquatic
organism consumption.
Table 6
Off-Site Surface Water Sediment Contamination
| Contaminant | Level in ppm |
Location | EMEG (in ppm)* |
| Arsenic | 82 | In Content Brook 700 feet east of Gray Street |
20 |
Table 7
Off-Site Ground Water Contamination
| Contaminant | Level (in ppb) |
Location | Comparison Value (in ppb) |
Source | Depth |
| Vinyl Chloride Vinyl Chloride Arsenic Arsenic Arsenic |
20 11 308 120 234 |
Pennisula into Richardson Pond |
0.2 0.2 0.02 0.02 0.02 |
EMEG(c) EMEG(c) CREG |
Shallow Overburden Deep overburden Shallow Overburden Deep overburden Bedrock |
| Arsenic Mercury Arsenic Mercury Arsenic Mercury |
7 0.3 38 0.7 30 0.4 |
.5 Miles East of Content Brook |
0.02 2 0.02 2 0.02 2 |
CREG LTHA CREG LTHA CREG LTHA |
Shallow overburden Deep overburden Bedrock |
| Benzene | 810 | at Iron Horse Park Southwest of Landfill |
1 | CREG | Shallow overburden |
| Arsenic | 451 | West of Richardson Pond |
0.02 | CREG | Bedrock |
Table 8
Food Chain Contamination
| Contaminant | Level [in parts per million (ppm)] |
Spieces | Location | FDA Tolerence Limit (in ppm) |
| PCBs PCBs Mercury PCBs Mercury |
.492 .149 .0005 .5 .0007 |
Fish Fish Fish Field Mouse Shrew |
Long Pond Content Brook Content Brook ? near Richardson Pond |
2.0 2.0 1.0 2.0 1.0 |
* These levels are established by the Food and Drug Administration
in order to protect human health.
Table 9
Toxic Release Inventory (TRI) Data for Billerica
Amount Released to Air in 1988
| Compound | Amount Released (in pounds) |
| Phenylisocyanate Ethylene Oxide Freon 113 |
250 14,500 25,171 |
Table 10
Potential Exposure Pathways
| Pathway Name | Source | Environmental Media |
Point of Exposure |
Route of Exposure |
Exposed Population |
Time |
| Food Chain | Long
Pond Content Brook |
Food Chain | Ingestion | Consumers
of Locally Caught Fish |
Past Present ? Future | |
| Ambient Air | Landfill Gas | Ambient Air | Landfill Grounds | Inhalation | Individuals
in areas at or near the Landfill |
Past Present |
| Surface Water | Landfill
Leachate & Erosion |
Surface Water | Richardson
Pond Content Brook |
Ingestion Dermal Contact |
Individuals
Wading in Content Brook & Richardson Pond |
Past Present ?Future |
| Surface
Soils & Sediment |
Landfill Erosion | Surface
Soils & Sediment |
Residents
East of Gray St. within Flood Plain |
Dermal Contact | Resident
East of Gray St. within Flood Plain |
Past Present ? Future |
The following table 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
APPENDIX 4--SUMMARY OF WRITTEN CORRESPONDENCE
RECEIVED DURING THE PUBLIC COMMENT PERIOD
Iron Horse Park site
Public Comment
Name and Address |
Information |
Comment | |
|
Supplied |
Request | ||
No information was requested and no comments were received during the comment period.
APPENDIX 5--RESPONSIVENESS SUMMARY
SUMMARY OF PUBLIC COMMENTS
This responsiveness summary addresses comments that were received by MDPH or ATSDR during the public comment period for the Iron Horse Park NPL site. This period was from July 19, 1994 to August 18, 1994. No comments were received by ATSDR or MDPH during this period.
