HEALTH CONSULTATION

Response to Public Comments

TEN MILE/LANGE/REVERE DRAINAGE SYSTEM
(a/k/a TEN MILE DRAINAGE SYSTEM PCB SPILL)
ST. CLAIR SHORES, MACOMB COUNTY, MICHIGAN
EPA FACILITY ID: MIN000508305

July 31, 2003

Prepared by:

Michigan Department of Community Health
Under a Cooperative Agreement with the
Agency for Toxic Substance and Disease Registry

TABLE OF CONTENTS

ABBREVIATIONS AND ACRONYMS

SUMMARY

PURPOSE AND HEALTH ISSUES

BACKGROUND

DISCUSSION

Data Analysis
Uncertainty Discussion
Environmental Contamination
Water
Sediments
Air
Soils
Human Exposure Pathways
Water
Sediments
Air
Soils
Toxicological Evaluation
PCBs
Arsenic
Lead
Other Metals
VOCs/SVOCs
ATSDR Child Health Considerations

COMMUNITY HEALTH CONCERNS

CONCLUSIONS

Water
Sediments
Air
Soils

RECOMMENDATIONS

Public Health Action Plan

PREPARERS OF REPORT

REFERENCES

CERTIFICATION

LIST OF FIGURES

Figure 1. St. Clair Shores, Macomb County, Michigan

Figure 2. Ten Mile/Lange/Revere Drainage System, St. Clair Shores, Michigan

LIST OF TABLES

Table 1. PCB Concentrations Found in Water Samples Taken from the Ten Mile/Lange/Revere Drainage System

Table 2. PCB Concentrations Found in Sediment Samples Taken from the Ten Mile/Lange/Revere Drainage System

Table 3. PCB Concentrations Found in Sediment Samples Taken at Varying Depths from the Lange/Revere Canal

Table 4. PCB Amounts Found in Wipe Samples Taken from the Ten Mile/Lange/Revere Drainage System

LIST OF APPENDICES

Appendix A. "St. Clair Shores Area Residents Uniting to Address PCB Contamination; Citizen Organized Public Forum Announced" (on-line news release)

Appendix B. Inside St. Clair Shores "PCB Information and Investigation: Just the Facts on the 10-Mile Drainage District," May/June 2002

Appendix C. The City of St. Clair Shores "Just the Facts PCB Investigation Update," Volume 1, Issue 3 - May 2002 (letter to residents)

Appendix D. Inside St. Clair Shores "PCB Information and Investigation: Just the Facts on the 10-Mile Drainage District," July/August 2002

Appendix E. Adjustment of MDEQ Groundwater Contact Criteria to Address Children Swimming in the Lange/Revere Canal

Appendix F. Adjustment of MDEQ Residential Direct Contact Criteria to Address Contact with Contaminated Sediments in the Canal

Appendix G. Health-related Questions Received Previous to the Public Comment Health Consultation and Answers from MDCH

Appendix H. Public Comments Received on "Ten Mile/Lange/Revere Drainage System (aka Ten Mile Drainage System) PCB Spill" Health Consultation and MDCH Responses

ABBREVIATIONS AND ACRONYMS

1E-3 L/cm2	one milliliter per square centimeter
µg/day	micrograms per day
µg/dl	micrograms per deciliter
µg/kg	micrograms per kilogram
µg/kg/day	micrograms per kilogram per day
µg/L	micrograms per liter
µg/mg	micrograms per milligram
AEd	dermal absorption efficiency
AEi	ingestion absorption efficiency
AF	adherence factor
AT	averaging time
ATSDR	Agency for Toxic Substances and Disease Registry
BW	body weight
CDC	Centers for Disease Control and Prevention
CF	conversion factor
CLP	Contract Laboratory Program
cm	centimeters
cm2	square centimeters
CREG	Cancer Risk Evaluation Guide
CSF or SF	cancer slope factor
DCC	MDEQ Direct Contact Criteria
DF	age-adjusted soil dermal factor
ED	exposure duration
EF	exposure frequency
EFd	dermal exposure frequency
EFi	ingestion exposure frequency
EV	event frequency
GCC	MDEQ Groundwater Contact Criteria
IEUBK model	Integrated Uptake Exposure Biokinetic Model for Lead in Children
IF	age-adjusted soil ingestion factor
kg	kilogram
LHRP	Lead Hazard Remediation Program
LOAEL	Lowest Observed Adverse Effect Level
m2	square meters
MDCH	Michigan Department of Community Health
MDEQ	Michigan Department of Environmental Quality
MDNR	Michigan Department of Natural Resources
MDPH	Michigan Department of Public Health
mg/kg	milligrams per kilogram
mg/kg-day	milligram per kilogram per day
ml	milliliter
MRL	Minimal Risk Level
NOAEL	No Observed Adverse Effect Level
PAH	polycyclic aromatic hydrocarbon
PCB	polychlorinated biphenyl
ppb	parts per billion (µg/L)
ppm	parts per million (mg/kg)
PWO	Macomb County Public Works Office
QA/QC	quality assurance/quality control
RCRA	Resource Conservation and Recovery Act
RfD	Reference Dose
SA	skin surface area
SP	skin penetration per event
START	Superfund Technical Assessment and Response Team
SVOC	semivolatile organic compound
SWQD	Surface Water Quality Division
TFS	Toxic Free Shores
THQ	target hazard quotient
TR	target cancer risk
U.S. EPA	U.S. Environmental Protection Agency
VOC	volatile organic compound

Next Section