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Record of Decision System (RODS)

AVTEX FIBERS, INC.

Abstract

Site Name:  AVTEX FIBERS, INC.
Address:  BOX 1169 KENDRICK LN 
City & State:  FRONT ROYAL  VA  22630
County:  WARREN
 
EPA ID:  VAD070358684
EPA Region:  03
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R03-88/055
ROD Date:  09/30/1988
Operable Unit(s):  01
 
Media:  GROUNDWATER
 
Contaminant:  METALS, ARSENIC, LEAD, ORGANICS, PHENOLS
 
Abstract:  THE 440-ACRE AVTEX FIBERS SITE IS LOCATED IN WARREN COUNTY, FRONT ROYAL, VIRGINIA. THE FACILITY IS BOUNDED TO THE WEST AND NORTHWEST BY THE SHENANDOAH RIVER AND TO THE SOUTH, NORTHWEST, AND EAST BY RESIDENTIAL AREAS. APPROXIMATELY 1,300 PEOPLE LIVE WITHIN ONE MILE OF THE SITE. THE WESTERN PART OF THE SITE LIES WITHIN THE LIMITS OF THE SHENANDOAH RIVER'S 100-YEAR FLOODPLAIN. THE AVTEX FIBERS SITE HAS PRODUCED RAYON FIBERS SINCE 1940, POLYESTER BETWEEN 1970 AND 1977, AND POLYPROPYLENE SINCE 1985. DURING THIS 48-YEAR PERIOD, BYPRODUCTS FROM THE RAYON MANUFACTURING PROCESS WERE DISPOSED OF IN ONSITE SURFACE IMPOUNDMENTS. THESE BYPRODUCTS INCLUDED SODIUM CELLULOSE XANTHATE-BASED VISCOSE AND ZINC-HYDROXIDE SLUDGE. FLY ASH (FROM INCINERATOR EXHAUST AIR POLLUTION CONTROL DEVICES) AND BOILER HOUSE SOLIDS WERE DISPOSED OF IN FIVE OTHER SURFACE IMPOUNDMENTS. LAND DISPOSAL OF VISCOSE WASTE CEASED IN 1983; SINCE THAT TIME, THE WASTE HAS BEEN ROUTED DIRECTLY TO AN ONSITE WASTEWATER TREATMENT PLANT. IN 1982, CARBON DISULFIDE, A CONSTITUENT OF VISCOSE WASTE, WAS IDENTIFIED IN GROUND WATER SAMPLES FROM RESIDENTIAL WELLS LOCATED ACROSS THE SHENANDOAH RIVER FROM THE SITE. IN RESPONSE TO THE RESULTS OF A GROUND WATER INVESTIGATION AVTEX IMPLEMENTED INTERIM MEASURES, WHICH INCLUDED PURCHASING 23 SUBDIVISION PROPERTIES ON THE WEST SIDE OF THE RIVER THAT HAD CONTAMINATED DOMESTIC WELLS, AND INITIATING A GROUND WATER PUMP AND TREATMENT PROGRAM. (SEE THIS ROD IS THE FIRST OF TWO OPERABLE UNITS AND ADDRESSES GROUND WATER REMEDIATION AND INTERIM REMEDIAL MEASURES FOR THE VISCOSE BASINS RESPONSIBLE FOR GROUND WATER CONTAMINATION. A SUBSEQUENT REMEDIAL ACTION WILL ADDRESS SOURCE CONTROL AND VISCOSE BASIN REMEDIATION. THE PRIMARY CONTAMINANTS OF CONCERN AFFECTING THE GROUND WATER ARE PHENOLS, AND METALS INCLUDING ARSENIC AND LEAD.

THE SELECTED REMEDIAL ACTION FOR THIS SITE INCLUDES; GROUND WATER AND BASIN LIQUID PUMP AND TREATMENT IN THE EXISTING ONSITE ACTIVATED SLUDGE WASTEWATER TREATMENT PLANT, FOLLOWING COMPLETION OF NECESSARY UPGRADES, MODIFICATIONS, AND CONSTRUCTION OF PRETREATMENT UNITS, WITH OFFSITE DISCHARGE OF TREATED WATER TO THE SHENANDOAH RIVER; MONITORING ON- AND OFFSITE GROUND WATER, SURFACE WATER, AND BASIN FLUIDS; AND PLACING DEED RESTRICTIONS PROHIBITING THE USE OF GROUND WATER ON THE AFFECTED PROPERTIES. THE ESTIMATED PRESENT WORTH COST FOR THIS REMEDIAL ACTION IS $9,122,000.
 
Remedy:  THIS OPERABLE UNIT IS THE FIRST OF TWO OPERABLE UNITS PLANNED TO ADDRESS CONTAMINATION AT THE SITE. THIS OPERABLE UNIT ADDRESSES GROUND WATER CONTAMINATION AND REMEDIATION OF THE CONTAMINANT PLUME AS AN INTERIM REMEDIAL MEASURE, THIS OPERABLE UNIT ADDRESSES DEWATERING OF VISCOSE BASINS 9, 10, AND 11 (THE SOURCE). THE FUNCTION OF THIS OPERABLE UNIT IS TO ADDRESS GROUND WATER CONTAMINATION CAUSED BY LEACHING OF FLUIDS FROM THE BASINS WHILE FURTHER BENCH SCALE AND TREATABILITY STUDIES OF THE SOURCE ARE CONDUCTED. THE SECOND OPERABLE UNIT WILL ADDRESS SOURCE CONTROL AND TREATMENT.

THE MAJOR COMPONENTS OF THE SELECTED REMEDY INCLUDE;
- THE USE OF EXISTING ON-SITE PUMPING WELLS, NUMBERS 1, 2 AND 3 TO PUMP AND RECOVER THE CONTAMINATED GROUND WATER;
- INSTALLATION OF MODIFIED WELLS OR EXTRACTION TRENCHES IN VISCOSE BASINS 9, 10, AND 11 FOR DEWATERING OPERATIONS;
- PUMPING AND TREATMENT OF CONTAMINATED GROUND WATER AND BASIN LIQUID IN THE EXISTING ON-SITE ACTIVATED SLUDGE WASTEWATER TREATMENT PLANT FOLLOWING NECESSARY UPGRADES, MODIFICATIONS AND CONSTRUCTION OF PRETREATMENT UNITS;
- PERIODIC MONITORING OF ON-SITE AND OFF-SITE GROUND WATER, SURFACE WATER, AND BASIN FLUIDS THROUGHOUT THE OPERATION AND MAINTENANCE;
- PLACEMENT OF DEED RESTRICTIONS PROHIBITING THE USE OF GROUND WATER ON THE AFFECTED PROPERTIES;
 
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