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ATSDR - PHA - Alcoa/Lavaca Bay, Calhoun County, Texas, TXD008123168

PRELIMINARY PUBLIC HEALTH ASSESSMENT

ALCOA (POINT COMFORT)/LAVACA BAY
POINT COMFORT, CALHOUN COUNTY, TEXAS
CERCLIS NO. TXD008123168

August 24, 1995

Prepared by
The Texas Department of Health
Under Cooperative Agreement with the
Agency for Toxic Substances and Disease Registry



TABLE OF CONTENTS

SUMMARY

BACKGROUND

COMMUNITY HEALTH CONCERNS

ENVIRONMENTAL CONTAMINATION AND OTHER HAZARDS

PATHWAYS ANALYSES

PUBLIC HEALTH IMPLICATIONS

CONCLUSIONS

RECOMMENDATIONS

PREPARERS OF THE REPORT

CERTIFICATION

APPENDICES

LIST OF TABLES

Table 1 - ALCOA (Point Comfort Plant) Shallow Groundwater Contaminants

Table 2 - On-Site Sediment Sampling

Table 3 - Blue Crabs Inside the Closed Area

Table 4 - Compilation of Representative Finfish Sampling Data Inside Closure Area

Table 5 - Off-site Sediment Sampling

Table 6 - Blue Crabs Collected Outside Closure Area

Table 7 - Compilation of Representative Finfish Sampling Data Outside Closure Area

Table 8 - Toxic Chemical Release Inventory (TRI) for 1991

Table 9a - Completed Exposure Pathway

Table 9b - Potential Exposure Pathway

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