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Record of Decision System (RODS)

NATIONAL PRESTO INDUSTRIES, INC.

Abstract

Site Name:  NATIONAL PRESTO INDUSTRIES, INC.
Address:  3925 N HASTINGS WAY 
City & State:  EAU CLAIRE  WI  54701
County:  CHIPPEWA
 
EPA ID:  WID006196174
EPA Region:  05
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R05-90/138
ROD Date:  08/01/1990
Operable Unit(s):  02
 
Media:  GROUNDWATER
 
Contaminant:  VOCS, PCE, TCE
 
Abstract:  THE 325-ACRE NATIONAL PRESTO INDUSTRIES SITE IS A FORMER MUNITIONS AND METAL-WORKING FACILITY IN EAU CLAIRE, CHIPPEWA COUNTY, WISCONSIN, ADJACENT TO THE TOWN OF HALLIE. FROM 1942 UNTIL 1945, THE SITE WAS GOVERNMENT-OWNED, CONTRACTOR-OPERATED, AND PRODUCED GUNPOWDER AND SMALL ARMS. FROM 1945 TO 1980, THE SITE WAS OWNED BY NATIONAL PRESTO INDUSTRIES (NPI). INITIAL OPERATIONS WERE FOR THE MANUFACTURE OF COOKWARE AND CONSUMER PRODUCTS, WHICH GENERATED WASTE STREAMS CONSISTING OF METALS, OILS, GREASE, AND SPENT SOLVENTS. ALSO, BEGINNING IN 1951, ARTILLERY SHELL FUSES, AIRCRAFT PARTS, AND METAL PROJECTILES WERE PRODUCED BY NPI UNDER A MILITARY CONTRACT. EARLY WASTE-HANDLING PRACTICES INCLUDED THE USE OF DRY WELLS AND SEEPAGE PITS WITH OVERFLOW FROM THE PITS PUMPED TO A SERIES OF LAGOONS, USED AS SETTLING AND PERCOLATION PONDS. A MAJOR WASTE STEAM GENERATED FROM THE DEFENSE-RELATED ACTIVITIES WAS A SPENT FORGE COMPOUND, COMPRISED OF MINERAL OIL, GRAPHITE, VOCS, AND ASPHALT, WHICH ACCOUNTS FOR MUCH OF THE SLUDGE IN THE BOTTOM OF ONE OF THE SETTLING PONDS. FROM 1966 TO 1969, THE SPENT FORGE COMPOUND WAS ALSO LANDFILLED ONSITE. SUBSEQUENTLY, THE SPENT FORGE COMPOUND WAS RECYCLED AS PART OF THE MANUFACTURING PROCESS. BASED ON THEIR INVESTIGATIONS, EPA REQUIRED NATIONAL PRESTO INDUSTRIES TO PROVIDE BOTTLED WATER TO AN AREA IN HALLIE, WHERE PRIVATE WELLS ARE CONTAMINATED OR THREATENED BY CONTAMINATION FROM CONFIRMED ONSITE SOURCES. THIS RECORD OF DECISION (ROD) PROVIDES FOR A PERMANENT ALTERNATE WATER SUPPLY TO ADDRESS THE PRINCIPAL THREAT POSED BY THE GROUND WATER CONTAMINATION AT THE SITE. FUTURE OPERABLE UNITS WILL ADDRESS SOURCE CONTROL AND GROUND WATER REMEDIATION. THE PRIMARY CONTAMINANTS OF CONCERN AFFECTING THE GROUND WATER INCLUDE VOCS SUCH AS PCE AND TCE.

THE SELECTED REMEDIAL ACTION FOR THIS SITE INCLUDES CONSTRUCTING A WELL FIELD, STORAGE FACILITIES AND DISTRIBUTION SYSTEM TO SUPPLY WATER TO THE BUSINESSES AND RESIDENCES WITHIN THE AFFECTED AREA OF THE HALLIE SANITARY DISTRICT; EXTENDING MUNICIPAL WATER SERVICE FROM THE CITY OF EAU CLAIRE TO BUSINESSES AND RESIDENCES WITHIN THE AFFECTED AREA THAT HAVE ANNEXED TO EAU CLAIRE; CLOSING AND ABANDONING ALL EXISTING PRIVATE WELLS WITHIN THE AFFECTED AREA THAT DRAW FROM THE CONTAMINATED AQUIFER; AND ANNUAL MONITORING OF THE DESIGNATED PRIVATE WELLS IMMEDIATELY OUTSIDE THE AFFECTED AREA THAT ARE STILL USED AS DRINKING WATER SUPPLY TO ENSURE CONTINUED QUALITY OF DRINKING WATER. THE ESTIMATED PRESENT WORTH COST FOR THIS REMEDIAL ACTION IS BETWEEN $3,000,000 AND $3,200,000, WHICH INCLUDES AN ESTIMATED ANNUAL O&M COST OF BETWEEN $48,200 AND $120,000, DEPENDING ON THE SIZE AND EXTENT OF REMEDIATION REQUIRED. THE MOST LIKELY ANNUAL O&M COST IS $90,000.

PERFORMANCE STANDARDS OR GOALS; THE PRIMARY GOAL OF THE EPA AND THE STATE IS TO PROVIDE A PERMANENT AND SAFE ALTERNATE DRINKING WATER SUPPLY TO THE AFFECTED AREA.
 
Remedy:  THE SELECTED REMEDY IS AN OPERABLE UNIT FOR AN ALTERNATE WATER SUPPLY WHICH ADDRESSES THE PRINCIPAL THREAT POSED BY THE SITE. FUTURE OPERABLE UNITS WILL ADDRESS SOURCE CONTROL AND GROUNDWATER REMEDIATION.

THE MAJOR COMPONENTS OF THE SELECTED REMEDY ARE;

* CONSTRUCTION OF A WELL FIELD, STORAGE FACILITIES AND DISTRIBUTION SYSTEM TO SERVICE BUSINESSES AND RESIDENCES WITHIN THE AFFECTED AREA THAT ARE PART OF THE HALLIE SANITARY DISTRICT, FORMED BY PUBLIC SERVICE COMMISSION ORDER 2428-CW-100 DATED JUNE 14, 1990;
* EXTENSION OF MUNICIPAL WATER SERVICE FROM THE CITY OF EAU CLAIRE TO BUSINESSES AND RESIDENCES WITHIN THE AFFECTED AREA THAT HAVE ANNEXED TO EAU CLAIRE;
* CLOSURE AND ABANDONMENT OF ALL EXISTING PRIVATE WELLS WITHIN THE AFFECTED AREA THAT ARE FINISHED IN THE CONTAMINATED AQUIFER; AND
* ANNUAL MONITORING OF DESIGNATED PRIVATE WELLS IMMEDIATELY OUTSIDE THE AFFECTED AREA THAT ARE STILL USED AS A DRINKING WATER SUPPLY TO ENSURE CONTINUED QUALITY OF DRINKING WATER.
 
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