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PUBLIC HEALTH ASSESSMENT
HORSESHOE ROAD
SAYREVILLE, MIDDLESEX COUNTY, NEW JERSEY


CONCLUSIONS

On the basis of the information reviewed, the ATSDR and NJDOH have concluded that the Horseshoe Road Site currently constitutes an indeterminate public health hazard. Except for the comprehensive study of the on-site surface soil, there are no other significant environmental data available to make a determination regarding completed human exposure pathways.

Areas of the site, particularly of the western edge and the Horseshoe Road Dump section, remain accessible to trespassers. These are areas of documented on-site soil contamination and potentially contaminated surface water flows off the site through these unsecured areas. Based on available information, recurrent trespassers at the site are not likely to be exposed to contamination at concentrations sufficient to constitute a public health hazard.

Health risks can be estimated for the potential exposure pathway associated with a recurrent trespasser at the site. Based upon the maximum concentration found outside the fenced areas at the site, the lifetime excess cancer risk (LECR) associated with oral exposure to PCBs, DDT and arsenic ranged from no apparent to insignificant risk of cancer to recurrent site trespassers, ingesting 200 mg of soil. Similarly, the exposure doses calculated at these concentrations were at the no observed adverse effect levels (NOAELs) for PCBs and below the NOAEL for DDT and arsenic.

The full extent of the surface soil (0-3"), sediment, and surface water contamination in the area has not been delineated; contamination may extend into "off-site" soils.

The site is distant enough from the closest occupied residences (> 1/2 mile) that the proposed remedial activities should not pose a threat to public health.

All residents and businesses in the area are currently connected to municipal water supply. However, the use of potentially contaminated groundwater for non-potable domestic or industrial purposes is not known and may represent a potential health risk. The existence and location of private wells, which may be influenced by the site, should be confirmed and their potential for contamination reviewed, if necessary.

Although no data were available on surface water and sediment contamination, is likely the site is and has caused the release of site related contaminants to the Raritan River. The site may contribute to an overall degeneration of water quality and biota contamination of the Raritan River in the region of the site.

RECOMMENDATIONS

Cease/Reduce Exposure

  1. Restrict public access to contaminated areas of the site not presently fenced.


  2. Identify all uses of private well water downgradient of the site.


  3. Utilization of optimal dust control measures during site remediation is desirable due to the nature and extent of soil contamination.

Site Characterization

The following information is needed to fully and adequately evaluate the public health impact of the Horseshoe Road Site:

  1. Additional data for surface soil (0 to 3 inches deep) samples to fully characterize the extent and amount of on-site and off-site contamination.


  2. Hydrogeologic investigations to characterize the direction and extent of contaminant migration from the site.


  3. Access the contribution of the site to water and biota contamination of the Raritan River.

HEALTH ACTIVITIES RECOMMENDATION PANEL
(HARP) RECOMMENDATIONS

The data and information developed in the Public Health Assessment for the Horseshoe Road, Sayreville, New Jersey, site have been evaluated by ATSDR's Health Activities Recommendation Panel (HARP) for appropriate follow-up with respect to health activities. The panel determined that no follow-up health actions are indicated at this time. However, the Panel recommends that further access restrictions be placed around contaminated areas to prevent any potential exposures to trespassers.

PUBLIC HEALTH ACTIONS

The Public Health Action Plan (PHAP) for the Horseshoe Road Site contains a description of the actions to be taken by ATSDR and/or NJDOH at or in the vicinity of the site subsequent to the completion of this Public Health Assessment. The purpose of the PHAP is to ensure that this 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. Included, is a commitment on the part of ATSDR/NJDOH to follow up on this plan to ensure that it is implemented. The public health actions to be implemented by ATSDR/NJDOH are as follows:

A. Public Health Actions Taken

  1. Environmental data and proposed remedial activities have been evaluated within the context of human exposure pathways and relevant public health issues.

B. Public Health Actions Planned

  1. ATSDR and the NJDOH will coordinate with the appropriate environmental agencies to develop plans to implement the cease/reduce exposure and site characterization recommendations contained in this health assessment.


  2. ATSDR will provide an annual follow up to this PHAP, outlining the actions completed and those in progress. This report will be placed in repositories that contain copies of this health assessment, and will be provided to persons who request it.

ATSDR will reevaluate and expand the Public Health Action Plan (PHAP) when needed. New environmental, toxicological, health outcome data, or the results of implementing the above proposed actions may determine the need for additional actions at this site.

CERTIFICATION

The Preliminary Public Health Assessment for the Horseshoe Road site was prepared by the New Jersey 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 preliminary public health assessment was initiated.


Gregory V. Ulirsch
Technical Project Officer, SPS, SSAB, DHAC

The Division of Health Assessment and Consultation (DHAC), ATSDR, has reviewed this Preliminary Public Health Assessment and concurs with its findings.


Richard Gillig
for Division Director, DHAC, ATSDR


PREPARERS OF REPORT

Preparer of Report:

          Jeffrey J. Winegar
          Research Scientist; ATSDR Health Assessment Project
          Environmental Health Service
          New Jersey Department of Health

ATSDR Regional Representative:

          Arthur Block
          Senior Regional Representative; Region II
          Regional Operations
          Office of the Assistant Administrator

ATSDR Technical Project Officer:

          Gregory V. Ulirsch
          Environmental Health Engineer
          Remedial Programs Branch
          Division of Health Assessment and Consultation

Any questions concerning this document should be directed to:

          ATSDR Project Manager
          New Jersey Department of Health
          Environmental Health Service
          210 South Broad Street
          CN 360
          Trenton, NJ 08625-0360

REFERENCES

  1. New Jersey Department of Environmental Protection and Energy (NJDEPE), Interim Pre-RI Report for The Horseshoe Road Site, Bureau of Site Management.


  2. Roy F. Weston, Inc, for U.S. Environmental Protection Agency (USEPA) Region II, On-Scene Coordinator's Report, Atlantic Resources Corporation Site, Sayreville, Middlesex County, New Jersey, May 3, 1989.


  3. U.S. Environmental Protection Agency (USEPA) Region II, Memo from Eugene Dominach to Addressees, Re: On-Scene Coordinator's Report, Atlantic Development Facility Site, October 20, 1993.


  4. U.S. Environmental Protection Agency (USEPA) Region II, Memo from Eugene Dominach to Constantine Sidamon-Eristoff, Re: Request for Removal Action at the Sayreville Pesticide Dump, Horseshoe Road Site, Sayreville, Middlesex County, New Jersey, September 10, 1992.


  5. Agency for Toxic Substances and Disease Registry, Health Consultation, Horseshoe Road Site, Sayreville, Middlesex County, New Jersey, August 16, 1991.


  6. Roy F. Weston, Inc, for U.S. Environmental Protection Agency (USEPA) Region II, Target Compound List (TCL) Soil Analytical Results Summary, Horseshoe Road Complex, Sayreville, Middlesex County, New Jersey, September 23,1993.


  7. Roy F. Weston, Inc, for U.S. Environmental Protection Agency (USEPA) Region II, XRF Analysis of Soils For Metals, Horseshoe Road Complex, Sayreville, Middlesex County, New Jersey, August 28, 1993.


  8. New Jersey Department of Environmental Protection and Energy (NJDEPE), Memo from Haig Kasabach to Edward Putnam, Re: Report on the Geophysical Investigation at the Horseshoe Road Site, Sayreville, Middlesex County, New Jersey, November 6, 1992.


  9. Agency for Toxic Substances and Disease Registry. Toxicological Profile for PCBs. Atlanta: ATSDR, April 1993.


  10. Agency for Toxic Substances and Disease Registry. Toxicological Profile for Polycyclic Aromatic Hydrocarbons (PAHs). Atlanta: ATSDR, October 1993.


  11. Agency for Toxic Substances and Disease Registry. Toxicological Profile for DDT, DDE, and DDD. Atlanta: ATSDR, October 1992.


  12. Agency for Toxic Substances and Disease Registry. Toxicological Profile for Arsenic. Atlanta: ATSDR, April 1993.

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