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PUBLIC HEALTH SERVICESSAN JOAQUIN COUNTY <br /> JOGI KHANNA M.D.M.P.H. <br /> Health Officer • � �P <br /> P.O. Box 2009 (1601 East Hazelton Avenue) • Stockton, California 95201 ,1i K n a <br /> (209) 465-3400 <br /> FRED LONG <br /> PDM STROCAL �\u� <br /> 2324 NAVY DRIVE <br /> STOCKTON CA 95203 AUG i9�� <br /> RE: PDM STROCAL SITE CODE: 18952 <br /> 2324 Navy Drive <br /> Stockton CA 95206 <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) <br /> conducted a site inspection on June 2, 1992 and met with representatives of PDM Strocal <br /> to discuss site remediation and closure. PHS/EHD has further evaluated documents in the <br /> file and has the following comments for your review and action. <br /> PHS/EHD recommended in correspondence dated March 23, 1992 that services of a <br /> registered professional be secured by May 27, 1992, that monitoring of existing wells be <br /> initiated by June 17, 1992, and that a work plan, to define the volume of residual <br /> contamination and to install a monitoring well, be submitted by July 31, 1992. Since the <br /> June 2, 1992 meeting, PHS/EHD has not received any correspondence responding to <br /> recommendations. In order to progress, PHS/EHD has outlined due dates for quarterly <br /> monitoring, quarterly reporting and for submittal of a stockpile sampling plan. If you are <br /> unable to meet these due dates, an extension should be requested in writing. <br /> Reports which have been submitted have not been reviewed or signed by a registered <br /> professional as defined by the California Business and Professions Code. Please secure the <br /> services of a registered professional to evaluate methods to determine groundwater gradient <br /> and residual soil contamination, stockpiled and in-situ. <br /> The two monitoring wells which were drilled in 1987 should be monitored quarterly. If the <br /> depth to groundwater remains above the screened interval, MW-2 cannot be used as a <br /> sampling well. <br /> Please initiate quarterly monitoring and reporting of site conditions. Pursuant to Section <br /> 2652 of the Underground Storage Tank Regulations (California Code of Regulations, Title <br /> 23, Subchapter 16) quarterly monitoring reports should be submitted to PHS/EHD and to <br /> the Central Valley Regional Water Quality Control Board (CVRWQCB) until the <br /> investigation and cleanup of the site is deemed adequate. Initiate quarterly monitoring by <br /> September 4, 1992 with the resultant quarterly report due October 5, 1992. <br /> A Division of tian Joaquin County Health Care,ctv ccs 10 <br />