Record of Decision System (RODS)
H & H INC., BURN PIT
|Site Name:||H & H INC., BURN PIT|
|Address:||10 MILES N RTE 33|
|City & State:||FARRINGTON VA 23192|
|NPL Status:||Currently on the Final NPL|
|ROD Type:||Record of Decision|
|Media:||groundwater, soil, surface water|
|Contaminant:||PCBs, phthalates, VOCs, TCE, toluene, methylene, chloride, organics heavy metals, SVOCs|
Please note that the text in this document summarizes the Record of Decision for the purposes of facilitating searching and retrieving key text on the ROD. It is not the officially approved abstract drafted by the EPA Regional offices. Once EPA Headquarters receives the official abstract, this text will be replaced.
From approximately 1960 to 1976, the H&H Inc., Burn Pit was owned and operated by the Haskell Chemical Company, Inc., which manufactured chemicals at an off-site plant for distribution to several companies in the Richmond area.
From 1960 to 1976, the Site was used to burn solvents from printing press cleaning operations, printing ink residues, and other materials collected by the Haskell Chemical Company and otherwise brought to the Site for disposal. Much of the waste was brought in 55-gallon drums and stored onsite in one of two major collection areas. For disposal, wastes were emptied into one of two pits and burned. The burn pits are no longer visible since the disposal area has been graded.
In May 1982, approximately 1,000 empty drums stored in the two collection areas were reportedly crushed on the site and transported to a hazardous waste disposal facility. Stained oil, including the soil that lined the burn pit, was also reportedly removed from the Site at the same time. A soil erosion and sediment control program was initiated. The plan included grading and stabilizing soils, interception and containment of run-off, and reseeding and planting. On August 2, 1982, two monitoring wells, one upgradient and the other downgradient, were installed at the Site under the direction of the Virginia State Water Control Board. Based on the analytical results of water samples taken from these wells in October 1982, no conclusive evidence of groundwater contamination was found.
EPA conducted a non-sampling preliminary assessment of the Site on March 16, 1983. On March 27, 1984, EPA performed a Site Inspection (SI) that included sampling of groundwater, sediments, leachate, and runoff water. Analytical results of these samples revealed the presence of polychlorinated biphenyls (PCBs), organics (such as benzene, xylene, toluene, and naphthalene), and inorganics (beryllium and cobalt) in a downgradient monitoring well. These results, combined with the knowledge that waste burning had occurred at the Site, raised concerns that dioxin might be present at the Site (the burning of PCBs is known to create dioxin compounds). EPA determined that these levels were sufficiently low so as not to warrant any further dioxin sampling at the Site.
The presence of other contaminants including volatile organic compounds (VOCs), metals, and PCBs did provide reason for immediate concern at that time.
In 1988, EPA commenced a Remedial Investigation and Feasibility Study (RI/FS) to ascertain the nature and extent of contamination at the Site and to evaluate remedial action alternatives. Initial sampling was performed from November 1988 through March 1989. The Phase I analytical results showed a higher level of contamination at the Site than expected, and a potential for further migration. Contamination beyond the burn pits and the areas where drummed waste was handled (i.e., the disposal area) consisted of VOCs, PCBs, pesticides, and inorganics (lead, zinc, cadmium, copper, and mercury). Ten residential drinking water wells were tested; however, no contamination of drinking water believed to be attributable to the Site was found. Phase II of the RI/FS began in the spring of 1992 and was completed in June 1992.
The selected remedy for the site addresses contaminated soil, sediment, surface water, and groundwater at the Site.
The selected remedy is comprised of the following major components: excavation of contaminated soil in the unsaturated zone above the water table (i.e., above the depth of four to six feet) where soil cleanup levels in Table 12 of the ROD are exceeded; excavation of contaminated soil in the unsaturated zone above the water table (i.e., above the depth of four to six feet) where soil cleanup levels in Table 12 of the ROD are exceeded; disposal of contaminated soils and sediments that do not exhibit hazardous characteristics in a landfill permitted in accordance with the Resource Conservation and Recovery Act (RCRA) Subtitle D requirements; treatment and disposal of contaminated soils and sediments that exhibit hazardous characteristics at a RCRA-permitted Subtitle C facility; disposal of soils found to contain polychlorinated biphenyls (PCBs) above 50 mg/kg at a Toxic Substances control Act (TSCA) landfill; extraction of contaminated groundwater containing site-related contaminants above the groundwater cleanup levels listed in Table 12 of the ROD; treatment of contaminated groundwater by precipitation and sedimentation to removal metals and by Ultra Violet (UV) oxidation to destroy organics; at the option of responsible parties who may implement this remedial action, and only if treatability studies performed and remedial design demonstrate to EPA that the technologies are effective, air sparging and soil vapor extraction may be implemented to accelerate the removal of contamination from saturated soils and groundwater; implementation of a monitoring program to verify performance of the groundwater treatment system and detect any impacts to the tributary, surrounding wetlands, and the nearest residences downgradient of the Site.
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