Record of Decision System (RODS)
SAEGERTOWN INDUSTRIAL AREA
|Site Name:||SAEGERTOWN INDUSTRIAL AREA|
|City & State:||SAEGERTOWN PA 16433|
|NPL Status:||Currently on the Final NPL|
|ROD Type:||Record of Decision|
|Media:||Soil, Debris, Sludge, GW|
|Contaminant:||VOCs, Other Organics|
|Abstract:||The 100-acre Saegertown Industrial Area is an industrial park located in Saegertown Borough, Crawford County, Pennsylvania. Land use in the area is mixed rural, residential, and agricultural. Woodcock Creek borders the site to the south, and French Creek runs from north to south on the western side of the Borough of Saegertown. Portions of the industrial park lie within the 100-year floodplain of French Creek or Woodcock Creek. The estimated 1,050 people who reside in the Borough of Saegertown use groundwater from 4 wells, 3 of which are located within a one-mile radius of the site to obtain their sole source of drinking water. The industrial park consists of four main areas: the Lord Corporation (Lord) property; the Saegertown Manufacturing Corporation (SMC) property; the Spectrum Controls Incorporated (SCI) property; and the properties that formerly were owned by the General American Transportation Corporation (GATX). From approximately 1951 until 1967, GATX operated a facility for the cleaning, painting, and repairing of railroad tank cars on 55 acres of the site property. GATX operated a wastewater treatment plant onsite, and disposed of wash water and solvents used to clean the railroad cars in a sludge bed, a lagoon, and a pond. Wastes that were contained in the cars also were disposed of onsite and consisted of fuel oils, sludge, phenols, caustic soda, unknown solvents and degreasers, paint and tar residues, anhydrous ammonia, benzene, chlorphene, and scrap iron barrels of old paint. Since 1962, Lord produced adhesives, urethane coatings, and rubber chemicals on approximately 30 acres of the site. Lord currently uses solvents, including TCE, TCA, xylene, and methyl isobutyl ketone (MIBK), in its manufacturing process. From 1968 until approximately 1987, Lord discharged non-contact cooling water to a shallow impoundment on its property. Since 1987, Lord has been discharging non-contact cooling water via a pipeline to French Creek under a NPDES permit. In 1965, SMC began cold metal forming and metal cutting/machining operations on approximately 15 acres of the site. SMC currently uses a variety of oils and solvents for degreasing. Cutting oil mixed with metal chips is collected and stored onsite in a pit prior to offsite disposal; the metal chips are separated from the oil and recycled onsite. Prior to 1974, a milk plant operated on the current SCI property. In 1974, SCI began manufacturing ceramic capacitors and electroplating silver, nickel, and tin on approximately 6 acres of the site. Since 1981, SCI has had aNPDES permit for the pretreatment and discharge of waste and cooling water. SCI wastes include liquid and solid acid and caustic waste associated with the electroplating operations, and waste containing MIBK and acetone produced in the manufacturing of capacitors. In 1989, plating operations were discontinued, and, in 1990, SCI began gasket forming operations on the property. A 1979 release of waste oil on the SMC property resulted in the removal of 778 yd of waste/soil from the site. In 1980, routine sampling of the Borough of Saegertown's municipal wells revealed elevated levels of TCE, and one of the wells (#2) subsequently was removed from service. Test pits dug in the vicinity of the pond, on the former GATX property, revealed deteriorating barrels containing TCE-contaminated sludge. In 1984, EPA investigated the site and confirmed the presence of TCE and TCA in onsite ground water. Soil and sludge samples taken from the GATX pond area revealed the presence of TCE, PCE, PAHs, and 1,4-dichlorobenzene. EPA has determined that remedial action is required at the former GATX-and Lord properties due to improper waste disposal practices. Remedial action will not be taken at the SMC or SCI properties; however, ground water in the vicinity of the whole site will be subject to long-term monitoring. This ROD addresses a final remedy for the contaminated soil and sludge on the former GATX property and the contaminated ground water in the vicinity of the Lord property. The primary contaminants of concern affecting the soil, debris, sludge, and ground water are VOCs, including PCE, TCE, and xylenes; and other organics, including PAHs, PCBs, and phenols. SELECTED REMEDIAL ACTION: The selected remedial action for the GATX property includes excavating all contaminated sludge and soil that contains total carcinogenic PAH concentrations in excess of 1 mg/kg in benzo(a)pyrene equivalents; processing the excavated sludge and soil by drying, mixing, or shredding to provide a uniform feedstock for the incinerator, followed by incineration of the soil and sludge; decontaminating and treating any debris in the excavated material to render it non-hazardous for offsite disposal, or incinerating it onsite; testing the incinerator ash by TCLP to determine the concentration of metals in the ash, and, if necessary, treating it using fixation prior to placing it in the excavated area onsite or removing it for offsite disposal; restoring or replacing the pond and wetland areas; and monitoring ground water. The selected remedial action for the Lord property includes installing air sparging injection wells in the source area to strip contaminants present in the soil; installing vapor extraction wells in the unsaturated zone to capture contaminants that are stripped by the air injected into the sparging wells, and capturing vapor phase contaminants using a carbon absorption unit; delineating the ground water plume; extracting and treating the ground water onsite using filtration to remove suspended solids, followed by a packed column air stripping unit with vapor extraction and carbon adsorption to capture effluent air contaminants, or a UV oxidation system, with onsite discharge of treated effluent to French Creek via the storm water outfall pipe that drains the site surface water, or reuse by Lord for its non-contact cooling water needs; and monitoring ground water for contaminants found in the sludge. Should contaminant concentrations in the ground water exceed background concentrations at any time during the monitoring period, the pump and treat system will be restarted until background concentrations are achieved for 12 consecutive quarters. The estimated present worth cost for these remedial actions is $15,100,000, which includes an estimated annual O&M cost of $275,000 for 10 years. PERFORMANCE STANDARDS OR GOALS: Chemical-specific soil and sludge cleanup goals on the former GATX property are based on the carcinogenic risk -based concentration of PAHs that, if left in soil, would not affect ground water. The total concentration of carcinogenic PAH compounds in the soil following excavation shallnot exceed 1 mg/kg in B(a)P equivalents. Chemical -specific ground water cleanup goals in the vicinity of the Lord property are based on the more stringent of background levels or SDWA MCLs, and include 1,2-DCA 5 ug/l; 1,1-DCE 7 ug/l; 1,2-DCE (cis) 70 ug/l; 1,2-DCE (trans) 100 ug/l; PCE 5 ug/l; 1,1,1TCA 200 ug/l; TCE 5 ug/l; vinyl chloride 2 ug/l; and xylene 10,000 ug/l. INSTITUTIONAL CONTROLS: Not applicable.|
The Saegertown Industrial Area Site is an industrial park approximately 100 acres in size. The remedial action selected for the Site is a final remedy which will address soil and ground water contamination on portions of the Site. The soil contamination represents the principal threat. Therefore, excavation and treatment of the contaminated soil will be required. The ground water contamination represents a significant threat. Therefore, remediation of the contaminated ground water will be required.
The selected remedial action includes the following components:
. Excavation and onsite incineration of contaminated soil and sludge from the lagoon, sludge bed, and pond areas on the former General American Transportation Corporation ("GATX") property which is a part of the Site;
. Restoration or replacement of the pond and wetland area on the former GATX property;
. Long-term ground water monitoring on the former GATX property;
. Delineation of the ground water plume in the vicinity of the Lord Corporation property, which is also a part of the Site;
. Extraction and treatment of contaminated ground water in the vicinity of the Lord Corporation property, combined with air sparging and vapor extraction in the source area ofcontamination; and
. Long-term ground water monitoring in the vicinity of the Lord Corporation property.
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