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Record of Decision System (RODS)

HEDBLUM INDUSTRIES

Abstract

Site Name:  HEDBLUM INDUSTRIES
Address:  1000 AUSABLE RD 
City & State:  OSCODA  MI  48750
County:  IOSCO
 
EPA ID:  MID980794408
EPA Region:  05
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R05-89/112
ROD Date:  09/29/1989
Operable Unit(s):  01
 
Media:  GROUNDWATER
 
Contaminant:  VOCS, BENZENE, TOLUENE, XYLENES, TCE, PCE, LEAD
 
Abstract:  HEDBLUM INDUSTRIES SITE, AN AUTOMOTIVE PARTS MANUFACTURING PLANT, IS APPROXIMATELY ONE MILE SOUTHWEST OF THE TOWN OF OSCODA, IN AUSABLE TOWNSHIP, IOSCO COUNTY, MICHIGAN. IN ADDITION TO THE PLANT, THE SITE CONSISTS OF A TEN-ACRE INDUSTRIAL PARK, A WETLAND AREA, AND RESIDENCES INCLUDING THE AUSABLE HEIGHTS SUBDIVISION. GROUND WATER FLOWS BENEATH THE PLANT AND SUBDIVISION AND DISCHARGES VIA A BAYOU INTO THE AUSABLE RIVER. BETWEEN 1968 AND 1972 THE PREVIOUS PLANT OPERATORS DISCHARGED COOLING WATER, RINSE WATER, AND APPROXIMATELY 4,000 GALLONS OF WASTE TCE ONTO THE GROUND. IN 1973 VOCS WERE DETECTED IN RESIDENTIAL WELLS IN THE AUSABLE SUBDIVISION. CONTAMINATED WELLS WERE REPLACED WITH DEEPER WELLS WHICH BY 1977 ALSO SHOWED TRACES OF CONTAMINATION. SUBSEQUENTLY, THE OSCODA TOWNSHIP MUNICIPAL SUPPLY SYSTEM WAS EXTENDED TO RESIDENTS THROUGH THE INSTALLATION OF A NEW WATER MAIN. AN UNDERGROUND STORAGE TANK CONTAINING TCE, TCA, AND PCE WAS REMOVED FROM THE SITE IN 1980. THE PRIMARY CONTAMINANTS OF CONCERN AFFECTING THE GROUND WATER ARE VOCS INCLUDING BENZENE, TOLUENE, XYLENES, TCE, AND PCE; AND METALS INCLUDING LEAD.

THE SELECTED REMEDIAL ACTION FOR THIS SITE INCLUDES GROUND WATER PUMPING AND TREATMENT USING ACTIVATED CARBON ADSORPTION WITH DISCHARGE TO THE BAYOU; AND GROUND WATER AND SOIL MONITORING. THE ESTIMATED PRESENT WORTH COST FOR THIS REMEDIAL ACTION IS $1,379,000, WHICH INCLUDES AN ANNUAL O&M COST OF $264,000 OVER 4-5 YEARS.
 
Remedy:  THE SELECTED REMEDY FOR THE SITE WAS DEVELOPED TO PROTECT PUBLIC HEALTH AND THE ENVIRONMENT BY PREVENTING INGESTION AND INHALATION OF CONTAMINANTS FOUND IN THE GROUNDWATER, AND BY RESTORING THE CONTAMINATED AQUIFER.

THE MAJOR COMPONENTS OF THE SELECTED REMEDY ARE AS FOLLOWS:

* INSTALLING AN EXTRACTION WELL SYSTEM IN THE AUSABLE HEIGHTS SUDIVISION AND ONE WELL DOWNGRADIENT FROM THE PLANT.
* PUMPING EXTRACTED WATER TO THE SITE FOR TREATMENT USING ACTIVATED CARBON.
* DISCHARGING EFFLUENT WATER FROM THE TREATMENT USING ACTIVATED CARBON.
* MONITORING GROUNDWATER QUALITY AT THE SUBDIVISION THROUGHOUT THE EXTENT OF THE IMPLEMENTATION OF THE REMEDY.
* ABANDONING THE SIX MDNR MONITORING WELLS ON SITE.
 
Text:  View full-text ROD [ 53K ]
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