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Record of Decision System (RODS)

MORRIS ARSENIC DUMP

Abstract

Site Name:  MORRIS ARSENIC DUMP
Address:  ADJACENT TO HWY 28 & HWY 59 
City & State:  MORRIS  MN  56267
County:  STEVENS
 
EPA ID:  MND980792287
EPA Region:  05
 
NPL Status:  Deleted from the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R05-85/015
ROD Date:  08/07/1985
Operable Unit(s):  01
 
Media:  SOIL
 
Contaminant:  ARSENIC
 
Abstract:  THE MORRIS ARSENIC SITE IS LOCATED IN STEVENS COUNTY, APPROXIMATELY ONE MILE NORTHEAST OF MORRIS, MINNESOTA. IN THE EARLY 1940S, APPROXIMATELY 1,500 POUNDS OF ARSENIC-LACED GRASSHOPPER BAIT WAS REPORTEDLY BURIED IN A GRAVEL PIT NEAR THE INTERSECTION OF HIGHWAYS 28 AND 59. THE SUBSEQUENT CONSTRUCTION OF THE HIGHWAY 59 BYPASS THROUGH THE GENERAL LOCATION OF THE BURIAL SITE HAS MADE THE DISCOVERY OF THE EXACT BURIAL LOCATION DIFFICULT. IT HAS BEEN PRESUMED THAT THE ARSENIC WAS MECHANICALLY DISPERSED DURING HIGHWAY CONSTRUCTION SINCE TOP SOIL CLEARED FROM THE SITE FOR ROAD BED PREPARATION WAS LATER SPREAD ALONG THE SIDE SLOPES.

THE SITE POSES NO IMMINENT HEALTH HAZARD TO THE PUBLIC DUE TO THE DIRECTION OF GROUND WATER MOVEMENT FROM THE SITE AND THE MINIMAL POPULATION CONCENTRATION WITHIN THE SITE SPECIFIC AREA. IN ADDITION, LEVELS OF ARSENIC FOUND IN THE SOILS AT THE SITE ARE WITHIN THE RANGE OF NATURAL LEVELS OF ARSENIC IN SOIL. THEREFORE, SINCE THE SITE POSES NO SIGNIFICANT THREAT TO PUBLIC HEALTH, WELFARE OR THE ENVIRONMENT, THE "NO-ACTION" ALTERNATIVE WAS SELECTED.
 
Remedy:  SECTION 300.68(J) OF THE NATIONAL OIL AND HAZARDOUS SUBSTANCES CONTINGENCY PLAN STATES THAT EPA SHALL SELECT THE COST-EFFECTIVE ALTERNATIVE (I.E. THE LOWEST COST ALTERNATIVE THAT IS TECHNOLOGICALLY FEASIBLE AND RELIABLE AND WHICH EFFECTIVELY MITIGATES AND MINIMIZES DAMAGE TO AND PROVIDES ADEQUATE PROTECTION OF PUBLIC HEALTH, WELFARE, OR THE ENVIRONMENT). EPA HAS DETERMINED THAT THE "NO-ACTION" ALTERNATIVE FOR THE MORRIS ARSENIC SITE WILL ACHIEVE THE ABOVE REQUIREMENTS. NO OTHER ALTERNATIVES WERE EVALUATED.
 
Text:  View full-text ROD [ 17K ]
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