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Libbey <br /> Owe <br /> orrdns <br /> AWl d me Pilkington Group <br /> Utbey-Owens-Ford Co. <br /> March 25, 1993 811 Madison Avenue <br /> P.O. Box 799 <br /> Toledo, Ohio 43697-0799 <br /> TeL 419-247-3731 <br /> Ms. Wendy Cohen FAX 419-247-3821 or 3984 <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road, Suite A <br /> Sacramento, California 95827-3098 <br /> SEI <br /> MAR 2 9 1993 <br /> Re: Libbey-Owens-Ford Co. �NVIRON�AF.;f�iTt1!_ I9FpI.TN <br /> Plant #10, Lathrop, California FEf3NMENT♦L HFA <br /> Contaminated Soil Remediation - Work Plan <br /> cu <br /> Dear Ms. Cohen: <br /> By this letter, the Libbey-Owens-Ford Co. (LOF) is hereby providing the California Regional <br /> Water Quality Control Board (RWQCB) with a copy of LOF's proposed Contaminated Soil <br /> Remediation - Work Plan, related to a fuel oil release at LOF's Lathrop, California facility, <br /> as reported to the RWQCB on May 4, 1992. As a result of soil excavation activities and the <br /> subsequent soil investigation at the fuel oil release area, approximately 1600 cubic yards of fuel <br /> oil contaminated soil (Soil) was stockpiled on site. LOF is submitting this Work Plan, which <br /> addresses remediation of the Soil, to the RWQCB for its review and approval to proceed. <br /> LOF proposes to manage the Soil on site, in a manner consistent with past RWQCB approved <br /> land application projects coordinated by LOF at its Lathrop, CA site. Based upon results of a <br /> preliminary soils analysis, it has been determined that the contaminated soil contains an average <br /> fuel oil concentration of approximately 19,100 ppm, toluene at 6.3 ppm, ethyl benzene at 9.9 <br /> ppm and xylene at 22.1 ppm. Analysis of the total concentrations of priority metal pollutants <br /> was performed on four composite samples obtained from the soil stockpile. The results indicate <br /> constituent concentrations within the range found in native soils as tabulated in, "The Soil <br /> Chemistry of Hazardous Materials", published by The Hazardous Materials Control Research <br /> Institute, 1988. See Attachment I - Contaminated Soil Analytical Data, which includes tables <br /> summarizing the results of the laboratory analyses, calculations for the average concentrations <br /> and copies of the laboratory reports. <br /> LOF proposes to apply an approximately one-half inch layer of Soil to a 25 to 30 acre parcel <br /> of land which is owned by LOF. The parcel is contiguously situated immediately south of the <br /> Lathrop facility. LOF proposes to apply fertilizer to the land applied Soil in order to enhance <br /> the biological breakdown process, and then to incorporate the Soil and fertilizer into the upper <br /> twelve inches of native soil by means of tilling. The area utilized for land application will then <br /> be tilled on a weekly basis for a period of eight weeks. Water will be added in a fashion as to <br /> maintain an appropriate moisture level. The area will then be left fallow to maximise the effect <br /> of ultraviolet light and heat on the Soil. <br /> PILKINGTON <br />