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PUBLIC HEALTH ASSESSMENT

MCADOO ASSOCIATES
MCADOO, SCHUYLKILL COUNTY, PENNSYLVANIA


CONCLUSIONS

Based on information reviewed, PADOH concludes that this site represents no public health hazard. There is no evidence of current or past exposures related to the site and future exposures are unlikely. Also, there are no community-specific health outcome data that exists to indicate the site has had an adverse impact on health. No completed pathways of exposure exist that are site-related. A potential but unlikely pathway of exposure exists at each location. The MKT location off-site sediment in the Little Schuylkill River is a potential pathway of exposure. This is an unlikely pathway, however, because of the quality of the water secondary to the acid mine drainage. At the MBS location, the subsurface soil is contaminated with low-level PAHs to which workers could potentially be exposed through incidental ingestion if any construction activities would occur. Even then, the cancer risk is only a low (perhaps no) increased risk. No acute or intermediate health effects would be expected at either location.

The health concerns raised by the community include odors emanating from the MKT location, the concern of an increased cancer risk in the McAdoo area related to the site, and a concern of health effects from their drinking water (see Community Health Concerns subsection). Air monitoring indicate that no emissions from the area are expected to cause adverse health effects. Health outcome data were analyzed and results are negative. Prior remedial actions implemented at the McAdoo Associates site have mitigated the major risks to human health (2). The MKT location is now capped (8).

A past, present, and future completed exposure pathway exists for people near the MKT location who are ingesting non-site related lead present in their water. The presence of lead in residential wells represents a public health problem, especially to young children.


RECOMMENDATIONS

Cease/Reduce Exposure Recommendations

    Through remediation, reduce the potential for the continuing contamination of nearby subsurface soil, water/sediments, and groundwater at the MKT location.

Site Characterization Recommendations

    Routine monitoring of groundwater should be conducted at both the MKT location and the MBS location to assure that no contamination of the potable water supplies occurs and to monitor the levels and the extent of contamination.

Health Activities Recommendation Panel (HARP) Recommendation

    The data and information developed in the McAdoo Associates Public Health Assessment have been evaluated for appropriate follow-up health actions. The ATSDR Health Activities Recommendation Panel (HARP) determined that no follow-up public health actions are indicated for the site; however, non-site related lead exposure through drinking water has occurred and is occurring in some of the population near the site. Community involvement to provide information to the affected families about lead exposure is indicated. ATSDR will reevaluate this site and conduct appropriate public health actions, if new data become available that indicate a need to do so.


PUBLIC HEALTH ACTIONS

The Public Health Action Plan for the McAdoo Associates site contains a description of action to be taken by ATSDR at and in the vicinity of the site subsequent to the completion of this public health assessment. The purpose of the Public Health Action Plan is to ensure that this public health assessment not only identifies public health hazards, but provides a plan of action designed to mitigate and prevent adverse human health effects resulting from exposure to hazardous substances in the environment. The public health action to be implemented by PADOH and ATSDR is as follows:

    PADOH will provide information concerning lead to the affected population.


PREPARERS OF REPORT

James M. Fox, M.D.
Environmental Physician
Division of Environmental Health
Pennsylvania Department of Health

Kandiah Sivarajah, Ph.D.
State Toxicologist; Project Officer
Division of Environmental Health
Pennsylvania Department of Health

ATSDR Regional Representative:

Charles Walters
Public Health Advisor
Regional Representatives
Office of the Assistant Administrator, ATSDR

ATSDR Technical Project Officer:

Gail Godfrey
Technical Project Officer
Division of Health Assessment and Consultation
Remedial Programs Branch
Agency for Toxic Substances and Disease Registry


CERTIFICATION

The McAdoo Associates Public Health Assessment has been prepared by the Pennsylvania Department of Health under a cooperative agreement with the Agency for Toxic Substances and Disease Registry (ATSDR). It is in accordance with approved methodology and procedures existing at the time the public health assessment was initiated.

Gail D. Godfrey
Technical Project Officer, SPS, RPB, DHAC

The Division of Health Assessment and Consultation, ATSDR, has reviewed this public health assessment and concurs with its findings.

Robert C. Williams, P.E., DEE
Director, DHAC, ATSDR


REFERENCES

  1. Agency for Toxic Substances and Disease Registry, Preliminary Health Assessment for McAdoo Associates, Kline Township, Pennsylvania. Prepared by the Superfund Implementation Group, Agency for Toxic Substances and Disease Registry, February 11, 1985.

  2. Environmental Protection Agency, Declaration for the Record of Decision (ROD), McAdoo Associates Site, September 30, 1991, U.S. Environmental Protection Agency, Region III, Philadelphia, Pennsylvania.

  3. Tetra Tech, Inc., Remedial Investigation Report/Feasibility Study Report for Surface Water, Sediment, Groundwater and Blaine Street Elements. Prepared by Tetra Tech, Inc. for the Environmental Protection Agency, Region III, Philadelphia, Pennsylvania, July 1991.

  4. NUS Corporation, Remedial Investigation/Feasibility Study, McAdoo Associates, Kline Township, May/June 1984.

  5. Weston, Soil Sampling and Analyses Plan (SSAP) Report for the McAdoo Associates Site as specified in the 1988 Consent Decree, Roy F. Weston, Inc., February 1989.

  6. Environmental Protection Agency, Declaration for the Record of Decision (ROD), McAdoo Associates Site, June 28, 1985, U.S. Environmental Protection Agency, Region III, Philadelphia, Pennsylvania.

  7. Environmental Protection Agency, Initiated Remedial Measures (IRM) Record of Decision (ROD) for Blaine Street (MBS) Location, June 1984, U.S. Environmental Protection Agency, Region III, Philadelphia, Pennsylvania.

  8. Personal Conversation with Eugene Dennis, Remedial Program Manager, U.S. EPA, August 1992.

  9. Environmental Protection Agency, National Secondary Drinking Water Regulations, Office of Drinking Water, 40 CFR 143.3, Environmental Protection Agency.

  10. Agency for Toxic Substances and Disease Registry, Toxicological Profile for Lead, Update, Draft, U.S. Public Health Service, Agency for Toxic Substances and Disease Registry, Atlanta, Georgia, October 1991.

  11. Agency for Toxic Substances and Disease Registry, Case Studies in Environmental Medicine, Polynuclear Aromatic Hydrocarbon (PAH) Toxicity, Agency for Toxic Substances and Disease Registry, Atlanta, Georgia, June 1990.

  12. Pennsylvania Department of Health, Health Outcome Correspondence 1985 and 1989 from PADOH to a State Representative.

  13. Pennsylvania Department of Health, Vital Statistics File, State Health Data Center, Pennsylvania Department of Health, 1991.

  14. Bailor, J.C. III, Ederer F., Significance Factors for the Ratio of a Poisson Variable to its Expectation, Biometrics; 20:639-643, 1964.

  15. Agency for Toxic Substances and Disease Registry, Toxicological Profile for Manganese, Draft, U.S. Public Health Service, Agency for Toxic Substances and Disease Registry, Atlanta, Georgia, February 1991.

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