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sjLibbey • <br /> Owens <br /> i Ford <br /> A memper of the PnFmgton Group - -t- <br /> Libbey-Owens-Ford Co. <br /> u^, rc <br /> November 11, 1993 500 East Louise <br /> "' P'I 1: „3 Po. Box 126 <br /> Lathrop,California 95330 <br /> Tel 209-858-5151 <br /> TWX 510 762 6630 <br /> FAX 209-858-2024 <br /> Mr. Michael Mosbacher <br /> California Regional Water Quality <br /> Control Board: Central Valley Region <br /> 3443 Routier Rd. , Suite A <br /> Sacramento, Ca. 95827 <br /> NPDES Permit No. CA 0004839 <br /> Dear Mr. Mosbacher: <br /> The Libbey-Owens-Ford Co. (LOF) is requesting the California <br /> Regional Water Quality Control Board (RWQCB) to grant an emergency <br /> revision to LOF's waste discharge order 91-056 (NPDES Permit <br /> CA0004839) to allow for the discharge of treated groundwater <br /> generated from a hydraulic oil release remediation project which <br /> will commence upon approval by the RWQCB. LOF has begun a 44 <br /> million dollar modernization project at its Lathrop facility. <br /> Successful completion of the groundwater remediation project is <br /> critical to the timely completion of the overall modernization <br /> project. <br /> A component of this modernization project requires the removal of <br /> two (2) hydraulic lift sumps (sumps) , which are located inside the <br /> facility. Once the sumps are removed, the area will be excavated <br /> for the construction of an underground cullet tunnel. Due to the <br /> depth to which certain sections of the cullet tunnel will have to <br /> be installed, limited dewatering will be required. Prior to <br /> beginning the project, LOF identified the sumps as a potential <br /> source of soil and groundwater contamination. <br /> LOF retained Condor Earth Technologies, Inc. (Condor) to conduct a <br /> soil and groundwater contamination investigation. The <br /> investigation has indicated that soil and groundwater in the area <br /> of two sumps have been impacted by hydraulic oil. The San Joaquin <br /> County Public Health Services and the RWQCB have been notified of <br /> these findings. The RWQCB has assumed lead agency responsibility <br /> and Mr. Philip Isorena is the project engineer for the RWQCB. At <br /> LOF's request Condor has prepared a work plan that addresses both <br /> soil and groundwater remediation. The work plan, dated October <br /> 15, 1993 was sent to Mr. Isorena for RWQCB review and concurrence. <br /> Mr. Isorena verbally concurred with the work plan which included <br /> several conditions outlined in Addendum I to the work plan dated <br /> October 22 , 1993 . <br /> PI LKI NGTON <br />