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PUBLIC HEALTH SERVICES <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION "' a <br /> r <br /> Karen Furst, M.D., M.P.H., Health Officer - <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 �iFsa <br /> 209/468-3420, <br /> JAY JAHANGARI JUN 14 2001 <br /> PORT OF STOCKTON <br /> P O BOX 2089 <br /> STOCKTON CA 95201 <br /> RE: Port of Stockton SITE CODE: 1282124 <br /> Site 3, Port Roads 13114 & G <br /> Stockton, CA <br /> San Joaquin County Public Health Services, Environmental Health Division (PHSIEHD) has <br /> reviewed the"Quarterly Ground Water Monitoring Reports"dated December 27, 2000 and May <br /> 30, 2001, reviewed and approved by Philip P. Ross, R.G. for the above referenced site. <br /> PHSIEHD staff discussed this site with Central Valley Regional Water Quality Control Board staff. <br /> Soil contamination appears to be defined vertically but not laterally. Groundwater contamination <br /> has not been defined laterally or vertically. Total petroleum hydrocarbon levels in the <br /> groundwater from monitoring well MW3-2 have increased so the contaminant plume is not stable <br /> or declining. Further site investigation is required. <br /> The laboratory did not analyze the groundwater samples collected on September 14, 2000, until <br /> October 3, 2000. This time period exceeds the recommended 14-day maximum holding time for <br /> water samples to be analyzed for petroleum hydrocarbon contaminants. In the future ensure that <br /> samples are analyzed within 14 days of their collection. <br /> California Code of Regulations, Title 23, Division 3, Chapter 16, Section 2652 (d) requires that <br /> quarterly reports be submitted to the CVRWQCB and PHSIEHD until the investigation and the <br /> cleanup of the site are complete. Quarterly sampling of the monitoring wells and analysis of the <br /> groundwater samples for total petroleum hydrocarbons and aromatic volatile organics must <br /> continue and the results included in the quarterly report. Currently you are not sending copies of <br /> the reports to the CVRWQCB. Please submit copies of all reports for this site to the CVRWQCB <br /> and PHSIEHD. <br /> Submit a work plan to investigate the lateral extent of soil contamination and to investigate the <br /> lateral and vertical extent of groundwater contamination (this would include at least one <br /> monitoring well screened below 40,feet from ground surface) by August 2, 2001. <br /> If you have any questions contact me at (209)468-3449. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> Margaret Lagorio, Supervising REHS <br /> Unit IV <br /> c: CVRWQCB—Marty Hartzell <br /> A Division of San Joaquin County Health Care Services <br />