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HEALTH CONSULTATION

MCLEAN COUNTY LANDFILL, INCORPORATED
BLOOMINGTON, MCLEAN COUNTY, ILLINOIS



Attachment 1. McLean Landfill Site Map 1


Attachment 2. McLean Landfill Site Map 2


Attachment 3. McLean Landfill Site Map 3


PREPARER OF REPORT

Cary Ware
Environmental Toxicologist
Illinois Department of Public Health


REFERENCES

McLean County Landfill, Inc. Focused Site Inspection Prioritization Site Evaluation Report, Bloomington, Illinois. Ecology and Environment, Inc., Lancaster, New York. September, 1995.

PDP Analytical. Groundwater Sampling Data for VOCs, SVOCs and Pesticides. November, 1997.

USEPA Laboratory Results. Groundwater Sampling Data for Inorganic Compounds. December, 1997.


CERTIFICATION

This McLean County Landfill, Inc., Health Consultation was prepared by the Illinois Department of Public 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 health consultation was begun.

Gail D. Godfrey
Technical Project Officer
Division of Health Assessment and Consultation
ATSDR

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

Richard E. Gillig
Chief, State Programs Section
Division of Health Assessment and Consultation
ATSDR


ATTACHMENT 4: COMPARISON VALUES USED IN SCREENING CONTAMINANTS FOR FURTHER EVALUATION

Environmental Media Evaluation Guides (EMEGs) are developed for chemicals based on their toxicity, frequency of occurrence at National Priority List (NPL) sites, and potential for human exposure. They are derived to protect the most sensitive populations and are not cut-off levels, but rather comparison values. They do not consider carcinogenic effects, chemical interactions, multiple route exposure, or other media-specific routes of exposure, and are very conservative concentration values designed to protect sensitive members of the population.

Reference Dose Media Evaluation Guides (RMEGs) are another type of comparison value derived to protect the most sensitive populations. They do not consider carcinogenic effects, chemical interactions, multiple route exposure, or other media-specific routes of exposure, and are very conservative concentration values designed to protect sensitive members of the population.

Cancer Risk Evaluation Guides (CREGs) are estimated contaminant concentrations based on a one excess cancer in a million persons exposed to a chemical over a lifetime. These are also very conservative values designed to protect sensitive members of the population.

Maximum Contaminant Levels (MCLs) have been established by USEPA for public water supplies to reduce the chances of adverse health effects from contaminated drinking water. These standards are well below levels for which health effects have been observed and take into account the financial feasibility of achieving specific contaminant levels. These are enforceable limits that public water supplies must meet.

Lifetime Health Advisories for drinking water (LTHAs) have been established by USEPA for drinking water and are the concentration of a chemical in drinking water that is not expected to cause any adverse non-carcinogenic effects over a lifetime of exposure. These are conservative values that incorporate a margin of safety.


Table of Contents

  
 
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