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STATE OF CALIFORNIA GEORGE DEUKMEJIAN, Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD— <br /> CENTRAL VALLEY REGION <br /> 3443 ROUTIER ROAD, SUITE A . <br /> SACRAMENTO, CA 95827-3098 <br /> 13 June 1990 <br /> Y � II 9w <br /> Mr. Charles Poole <br /> .. <br /> Dallas Corporation AUG 16 Mciig <br /> 6750 LBJ Freeway -- 75240 tNVIRONMENTAL HEALTH <br /> P.O. Box 809046 PER MIT/SERb`ICES <br /> Dallas, TX 75380-9046 <br /> EVALUATION OF PUMPING TEST AT THE OVERHEAD/LODI DOOR COMPANY (O/LDC) FACILITY IN <br /> LODI, SAN JOAQUIN COUNTY <br /> On 27 July 1990, we received your letter addressing our concerns about the <br /> adequacy of the pumping test performed at the 0/LDC facility in Lodi . The test <br /> was performed on 26 March 1990, by Remediation Services, Inc. . We are drafting <br /> a response to your letter, which will be one of the topics discussed at the 30 <br /> August 1990 meeting between you, Linda Hogg (from the Department of Health <br /> Services) , Jean McCue and I . We also plan to discuss our concerns regarding <br /> concentrations of chromium above the drinking water standard in monitoring wells <br /> at the facility. <br /> We recently sent you a summary of water quality data for the facility. Please <br /> review the data, prior to our meeting. The summary shows that although nickel <br /> has dissipated in the ground water to where it is no longer detectable , <br /> concentrations of chromium remain above the drinking water standard of 0.05 µg/l <br /> in monitoring well MW-1, and fluctuate above and below the drinking water standard <br /> in MW-2. <br /> We look forward to meeting with you at the end of the month and hope to resolve <br /> these issues. If you have any questions, please call Jean McCue at (916) 361- <br /> 5729. <br /> r, R Pv"� <br /> vc GREG K. VAUGHN <br /> Senior Engineer-, TPCA Unit <br /> JEM:jm <br /> cc: Ms. Linda Hogg, Toxic Substances Control Division, Department of Health <br /> Services, Sacramento <br /> Mr. Ran Valinoti , San Joaquin County Environmental Health, Stockton <br /> Mr. C. Curtis Carter, Overhead Door Company, Lodi <br /> Mr. John Schweizer, Remediation Services, Inc. , Pleasanton <br />