SITE INFORMATION AND CORRESPONDENCE

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PUBLIC )r1EALTH SERVICES SAN JOAQUIN COUNTY ENVIRONMENTAL HEALTH DIVISION z Ernest M. Fujimoto, M. D., M.P.H., Acting Health Officers 304 E. Weber Ave., Third Floor • P. O. Box 388 • Stockton, CA 95201-0388 • �°�fFORa`P . 209/468-3420 C rn"\ VLF- Memo From the Desk of Ma Meavs Senior REHS To: Laurie Berger, Reed Elliot Creech and Roth Date: February 23, 1996 Subject: 1 320 West Weber Street, Stockton CA As per our telephone conversation this date, I have enclgsed a summary.of the telephone conversation with Bill Hunter approving the May 10, 1993 work plan prepared by WHF Environmental to aerate the stockpiled soils (enclosed) and information regarding the subsequent soil treatment. On May 20, 1993, I discussed with Bill Hunter, the work plan submitted for the remediation of the stockpiled soil. We discussed the necessity of lining the treatment area with visqueen and confirmation sampling requirements. I indicated that a reduction in the number of samples required was approved considering the volume of soil and-the'site�specifzc depth to groundwater. The treatment of stockpiled soils without a liner was approved given the weather conditions (summer) and the rapidity of treatment. I requested additional information with regard to the proposed locations of the confirmation samples and the soil lifts which would be used. On May 24, 1993, I received notification from the San Joaquin Valley Unified Air Pollution Control District, dated May 19, 1993, that written permission for soil aeration from their agency was not necessary (enclosed). On May 28, 1993, a site visit was made at which time Mark Haynes, HKM, indicated the area where the stockpiled soil would be treated and that a more detailed site map would be submitted. On June 1, 1993, 1 received a more detailed site map (enclosed). On June 11, 1993, I received notification that stockpile movement was scheduled (enclosed). On April 18, 1994, confirmation soil samples were collected (site map enclosed). On May 12, 1994, the last "lift" of soil was sampled to confirm that treatment was complete (enclosed). Should you require further information, regarding the treatment of contaminated soils originating from 1320 West Weber Ave, please do not hesitate to call me at (209) 46&0337. A Division of San Joaquin County Health Care Services