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HEALTH CONSULTATION

BANNER WESTERN DISPOSAL SERVICE
JOLIET, WILL COUNTY, ILLINOIS





Attachment 1. Site Location Map


Attachment 2. Site Sketch


Attachment 3. On-Site Sampling Locations


Attachment 4. Off-Site Sampling Locations

ATTACHMENT 5

Comparison Values Used in Selecting Contaminants of Concern

Environmental Media Evaluation Guides (EMEGs) are comparison values developed byATSDR for chemicals that are relatively toxic, frequently encountered at National Priority List(NPL) sites, and present a potential for human exposure. They are derived to protect the mostsensitive members of the populations (e.g., children), and are not cut-off levels, but rathercomparison values. They do not consider carcinogenic effects, chemical interaction, multipleroute exposure, or other media-specific routes of exposure, and are very conservativeconcentration values designed to protect the public.

Cancer Risk Evaluation Guides (CREGs) are estimated contaminant concentrations based onone excess cancer in a million individuals exposed to a chemical over a lifetime (70 years). Theseare very conservative values designed to protect sensitive members of the population.

Reference Dose Media Evaluation Guides (RMEGs) are estimates of a daily oral exposure to achemical that is unlikely to produce any non-carcinogenic adverse health effects over a lifetime. They are based on USEPA reference dose (RfDs) and are conservative values designed to protectsensitive members of the population.


Table of Contents

  
 
USA.gov: The U.S. Government's Official Web PortalDepartment of Health and Human Services
Agency for Toxic Substances and Disease Registry, 4770 Buford Hwy NE, Atlanta, GA 30341
Contact CDC: 800-232-4636 / TTY: 888-232-6348

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