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Record of Decision System (RODS)

FIRST PIEDMONT CORP. ROCK QUARRY (ROUTE 719)

Abstract

Site Name:  FIRST PIEDMONT CORP. ROCK QUARRY (ROUTE 719)
Address:  RTE 360 STATE RD 719 
City & State:  PITTSYLVANIA COUNTY  VA  24531
County:  PITTSYLVANIA
 
EPA ID:  VAD980554984
EPA Region:  03
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R03-91/134
ROD Date:  06/28/1991
Operable Unit(s):  01
 
Media:  SOIL SEDIMENT DEBRIS GROUNDWATER SURFACE WATER
 
Contaminant:  METALS, ARSENIC, LEAD, BARIUM, ANTIMONY, ZINC, BENZENE, PCE
 
Abstract:  THE 4-ACRE FIRST PIEDMONT QUARRY ROUTE 719 SITE IS AN INACTIVE INDUSTRIAL AND AGRICULTURAL LANDFILL LOCATED NORTH OF THE CITY OF DANVILLE IN PITTSYLVANIA COUNTY, VIRGINIA. LAND IN THE AREA CONSISTS OF OPEN SPACE AND WOODLANDS, WITH RESIDENTIAL AREAS LOCATED TO THE SOUTH. THE ESTIMATED 1,893 PEOPLE LIVING WITHIN 2 MILES OF THE SITE OBTAIN DRINKING WATER FROM WELLS OR SPRINGS. TWO SMALL PONDS AND A WETLANDS AREA ARE LOCATED ONSITE. IN ADDITION, THE LANDFILL IS A GROUND WATER DISCHARGE AREA FOR AN UNDERLYING AQUIFER DRAINING THROUGH THE WETLANDS TO LAWLESS CREEK, WHICH RUNS 1,400 FEET NORTHWEST OF THE QUARRY. THE SITE ORIGINALLY OPERATED AS A QUARRY FOR CRUSHED STONE. FROM 1970 TO 1972, INDUSTRIAL AND AGRICULTURAL WASTES WERE LANDFILLED IN THE 2-ACRE QUARRY AREA OF THE SITE. WASTES INCLUDE HUNDREDS OF BURIED DRUMS; TIRES; SCRAP RUBBER; APPROXIMATELY 15,000 GALLONS OF A MIXTURE OF MS-20 (A FLOOR DEGREASER CONTAINING PCE), WATER, CARBON BLACK, AND DETERGENT; OFF-SPECIFICATION BATCH MATERIALS CONTAINING TRACE AMOUNTS OF LEAD OXIDE; SOIL; TOBACCO SCRAPS; AND WOOD. THE LANDFILL CONTAINS APPROXIMATELY 65,000 CUBIC YARDS OF INDUSTRIAL AND AGRICULTURAL WASTES AND 3,000 CUBIC YARDS OF SOIL. TWO ADDITIONAL WASTE AREAS, THE CARBON BLACK PILE AND THE WASTE PILE, HAVE BEEN IDENTIFIED ONSITE NEAR THE WESTERN EDGE OF THE LANDFILL. THE CARBON BLACK PILE CONTAINS 100 CUBIC YARDS OF A TIRE REINFORCEMENT ADDITIVE AND CONTAMINATED SOIL, AND THE WASTE PILE CONTAINS 10 CUBIC YARDS OF STEEL AND NYLON CORDS, GLASS, WASTE RUBBER STRIPS, AND CONTAMINATED SOIL. IN 1972, THE STATE ORDERED WASTE DISPOSAL OPERATIONS TO CEASE AS A RESULT OF A FIRE ON THE LANDFILL. THIS RECORD OF DECISION (ROD) PROVIDES A FINAL REMEDY FOR ALL SITE MEDIA INCLUDING THE LANDFILL MATERIAL, LEACHATE, THE CARBON BLACK PILE AND WASTE PILE, AND THE CONTAMINATED NORTHERN DRAINAGE SOIL AND SEDIMENT. THE CONTAMINANTS OF CONCERN ARE METALS INCLUDING ARSENIC, LEAD, BARIUM, ANTIMONY, AND ZINC.

THE SELECTED REMEDIAL ACTION FOR THIS SITE INCLUDES EXCAVATING AND DISPOSING OFFSITE 1,080 TONS OF WASTE FROM THE CARBON BLACK AND WASTE PILES ALONG WITH THE CONTAMINATED SOIL AND SEDIMENT FROM THE NORTHERN DRAINAGE AREAS; PERFORMING A TCLP OF EXCAVATED MATERIAL TO DETERMINE IF IT IS RCRA CHARACTERISTIC WASTE, AND IF SO, SOLIDIFYING AND STABILIZING THE EXCAVATED MATERIAL PRIOR TO OFFSITE DISPOSAL; FILLING THE EXCAVATED CARBON BLACK AND WASTE PILE AREAS WITH CLEAN SOIL; DISPOSING OF 30-40 DRUMS FROM THE SURFACE OF THE LANDFILL AT A RCRA SUBTITLE C TREATMENT FACILITY; DECONTAMINATING AND DISPOSING OF SURFACE DEBRIS AT AN APPROVED LANDFILL; CONSTRUCTING A RCRA-CAP AND AN ASSOCIATED LEACHATE COLLECTION SYSTEM OVER THE 2-ACRE LANDFILL AREA; COVERING THE CAP WITH 6 INCHES OF SOIL AND CONTOURING SOIL TO PROMOTE RUN-OFF, AND REVEGETATING THE AREA; CONSTRUCTING RUN-OFF CONTROL BERMS IN THE NORTHERN DRAINAGE AREAS TO LESSEN LANDFILL CAP RUN-OFFS; PRETREATING LEACHATE, IF NECESSARY, PRIOR TO TRANSPORTING TO A PUBLICLY OWNED TREATMENT WORKS (POTW), OR CONSTRUCTING AN ONSITE TREATMENT SYSTEM WITH ONSITE DISCHARGE TO SURFACE WATER IF THE POTW WILL NOT ACCEPT THE LEACHATE; DRAINING THE NORTH AND SOUTH PONDS, AND TRANSPORTING AND DISCHARGING POND WATER OFFSITE TO A POTW; MONITORING GROUND WATER AND CONDUCTING BIOASSAYS TO ASSESS THE EFFECTIVENESS OF THE REMOVAL OF THE CARBON BLACK PILE AND WASTE PILE ON THE REDUCTION OF CONTAMINANT LEVELS IN THE SOUTHERN DRAINAGE; AND IMPLEMENTING INSTITUTIONAL CONTROLS INCLUDING DEED RESTRICTIONS, AND SITE ACCESS RESTRICTIONS SUCH AS FENCING. THE ESTIMATED PRESENT WORTH COST FOR THIS REMEDIAL ACTION IS $2,154,000, WHICH INCLUDES AN ANNUAL O&M COST OF $66,200.

PERFORMANCE STANDARDS OR GOALS; NOT APPLICABLE.
 
Remedy:  THIS REMEDY WILL ADDRESS ALL OF THE MEDIA IMPACTED BY THE CONTAMINATION AT THE SITE. IT IS NOT WARRANTED AT THIS TIME TO SPLIT THE SITE INTO SMALLER COMPONENTS CALLED OPERABLE UNITS TO ADDRESS INDIVIDUAL MEDIA. BASED ON THE INFORMATION DERIVED THROUGH THE REMEDIAL INVESTIGATION, THE SITE DOES NOT POSE ANY PRINCIPAL THREATS TO HUMAN HEALTH. SINCE WASTES WILL BE LEFT IN PLACE, LONG-TERM MONITORING OF THE GROUND WATER MUST BE PERFORMED. THE GROUND WATER MONITORING MUST ENCOMPASS THE FULL RANGE OF RCRA SUBTITLE C REQUIREMENTS BECAUSE OF THE DISPOSAL OF TETRACHLOROETHYLENE, A LISTED RCRA HAZARDOUS WASTE, INTO THE LANDFILL.

THE SELECTED REMEDY INCLUDES THE FOLLOWING MAJOR COMPONENTS;
* EXCAVATION AND OFFSITE DISPOSAL OF THE CARBON BLACK, WASTE PILE AND THE NORTHERN DRAINAGE SOILS AND SEDIMENTS.
* A RCRA SUBTITLE C CAP ON THE LANDFILL.
* COLLECTION OF LEACHATE WITH TREATMENT AT A POTW.
* WASHING AND OFFSITE DISPOSAL OF SURFACE DEBRIS.
* GROUND WATER MONITORING.
* INSTITUTIONAL CONTROLS.
 
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