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i <br /> 9 <br /> j a <br /> EAST BAY WALTER✓BISHOP <br /> MUNICIPAL UTILITY DISTRICT MANAGER OF WASTEWATER <br /> October 221, 1990 <br /> k <br /> r <br /> Mr.- Ron Valinoti , Director <br /> Environmental He 1 h.-Di i i A <br /> a t v s o � <br /> San Joaquin County, Public H h roes <br /> P.. O. Box 2.00-9 <br /> Stockton CA 95201 /�Fil<9y' <br /> Dear Mr . Valinoti <br /> Re : EBMUD Stockton Center - Site Co&� 9 <br /> The. -District is submitting the results of groundwater, monitoring <br /> sampling done on September 20, 1990 . <br /> Samples collected from Well .Number 1 contained detectable levels <br /> of Total Petroleum Hydrocarbons (TPH) in both the purge water and <br /> the ground water sample . Samples collected from Well Numbers 2 <br /> and 3 were below detection. The- BTXE samples inadvertently were <br /> not submitted to the laboratory. Therefore, the sample results <br /> are recorded as LA ( lost analysis) . The Stockton wells will be <br /> sampled again between November and December 1990 . <br /> The District is p-roceeding with the proposal to install <br /> additional wells as described in our August 6 , 1990 letter . Once <br /> a contractor has been selected to drill the wells and collect the <br /> initial samples, a supplement to the information will be <br /> submitted as requested by Diane Henson. The supplement will <br /> contain the contractors health and safety plan, any changes to <br /> the original work plan, and the fees of -$89 per well . <br /> If you have any questions regarding this report, please contact <br /> Karen Folks at ( 415) 465-3700, extension 221 . <br /> i <br /> Sincerely, <br /> TER BISH P <br /> WJB:.KF:dh <br /> SC0. 361 120 <br /> Enclosure <br /> cc: Gordon L. Boggs, CVRWQCB <br /> 2130ADELINE STREET.OAKLAND.CA 94607.(415)465-3700 <br /> BOARD OF DIRECTORS SANFORD M.SKAGGS.MARY C WARREN.HELEN BURKE <br /> JOHN M.GIOIA. WALTER R.MCLEAN.NANCYJ.NADEL.KENNETH H.SIMMONS <br />