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HEALTH CONSULTATION

Health Risks Associated With Exposure to Contaminated Sediments

RUDDIMAN CREEK WATERSHED
(a/k/a RUDDIMAN DRAIN AREA)
MUSKEGON, MUSKEGON COUNTY, MICHIGAN
EPA FACILITY ID: MID980608764

January 9, 2003

Prepared by:

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


TABLE OF CONTENTS

SUMMARY

BACKGROUND AND STATEMENT OF ISSUES

DISCUSSION

CONCLUSIONS

RECOMMENDATIONS

PUBLIC HEALTH ACTION PLAN

REFERENCES

PREPARERS OF THE REPORT

CERTIFICATION


LIST OF FIGURES

Figure 1. Ruddiman Creek Watershed

Figure 2. Ruddiman Creek Location Features


LIST OF TABLES

Table 1. Range of chemical concentrations detected in sediments in Ruddiman Pond

Table 2. Range of chemical concentrations detected in sediments in the West Branch of Ruddiman Creek

Table 3. Range of chemical concentrations detected in sediments in the North Branch of Ruddiman Creek

Table 4. Range of chemical concentrations detected in sediments in the Main Branch of Ruddiman Creek

Table 5. Exposure parameters used for intake equations


ABBREVIATIONS AND ACRONYMS

ATSDR Agency for Toxic Substances and Disease Registry
DCC MDEQ Direct Contact Criteria
EPA U.S. Environmental Protection Agency
LOAEL Lowest observed adverse effect level
MDCH Michigan Department of Community Health
MDEQ Michigan Department of Environmental Quality
MRL ATSDR Minimal Risk Level
NOAEL No observed adverse effect level
PCBs polychlorinated biphenyls
RCTF Ruddiman Creek Task Force
RfD U.S. EPA Reference Dose
SWQD MDEQ Surface Water Quality Division
SVOC Semi-volatile organic compound
VOC Volatile organic compound


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