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u <br /> PUBLIC HEALTH SERVICLO •:� <br /> i' Shia JOAQUIN COUNTY <br /> JOGI KHANNA M.D.,M.P.H. : <br /> Health Officerv <br /> r{C}�}dite�� <br /> P.O.Sox 2009•(l6ot E25%. (209)46&3400 Stockton,California 9520t <br /> iJ <br /> JOHN RUTHERFORD <br /> DESERT PETROLEUM FEB 2 5199"'1 <br /> P O BOX 1601 <br /> OXNARD CA 93032 <br /> SITE CODE: 1441. <br /> RE: 950 W.Eleventh St. <br /> _ 3 <br /> Tracy, California <br /> This letter is being sent to summarize the issues discussed at a meeting held at San <br /> Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) <br /> between PH staff Diane Hinson and Linda Tnrkatte, Western Geo-Engineers <br /> representative George Converse and you on Thursday, February 11, 1993- <br /> ai verification soil and groundwater sampling needed at this site to address <br /> The addition to you was discussed <br /> the concerns noted in a letter dated April 18, 1991 from PHS/EHD y <br /> i <br /> at the meeting. <br /> The soil samples obtained in 1988 from the south and southeast ends of the former tank <br /> pit area indicate.this area has not been <br /> impacted northwest of the yforrme r tank pit need <br /> only the areas to the northre, <br /> -northeast and to th <br /> further investigation to verify that these areas have not been impacted by petroleum <br /> hydrocarbons. <br /> As discussed at the meeting, a soil boring in each of these locations would be sufficient <br /> for this verification purpose. <br /> A monitoring well in the identified downgrad e t direction, <br /> ale ctiof the thegronortheast <br /> o theastwaterio this areraser <br /> tank pit area at this site, is needed to verify the q ty <br /> at the meeting, a monitoring well constructed in the north-northeast soil <br /> boring.would be sufficient-to-moriitor-this-area o coA,cern.---- <br /> on to tota <br /> The groundwater samples obtained for verificationbeiizeriesand lxyl ne,ibetanalyzed for <br /> petroleum hydrocarbons,.benzene,toI=sent, , .Y . <br /> soluble Iead. This test will be sufficient to verify that the groundwater.quality has not <br /> been degraded by lead. <br /> i <br /> 5 th ram SCMCC6 - <br /> F ' <br /> A Division of San foaquin County Heal }. <br />