Laserfiche WebLink
S� UNTY <br /> QUIN CO <br /> %t! ENviRQ AL HEALTH DIYWN <br /> 344 E Weber Ave.Third Floor <br /> P.Q. Box 388, Stoddori,CA 95201-0385 <br /> Phone: (209)4193-3420 <br /> Approved <br /> Approved with changes: See Remarks <br /> ❑Disapproved: See Remarks <br /> Remarks ' <br /> Date— g <br /> Approval of these plans eaten only to that <br /> which is shown and. described hereon but <br /> does not authorize or approve any omission <br /> or da,viation of requirements of State laws or <br /> Loran Ordinances. <br /> ,:A'-ChevMFI <br /> j OCT <br /> October 9,1997 <br /> ti�wa l4.u..or�.q <br /> roue EVO&I► •w U6 4M <br /> Sm kwftuSIM <br /> MsacM <br /> So Aaen G <br /> San JoaQusa Cbuaty Public Hestth Services <br /> faviramumial Halth Division <br /> P.O.Boz 388 <br /> Stot:bm CA 95201-0388 <br /> Cbstra Gn"Ps optsrty <br /> San.ioagesh County AM hlo.238.030.22 <br /> Tracy,CWUwmk M76 <br /> Dear Micbsel: <br /> As dacaaed during your Oc"a 1,IM meeting with Ms.Eliabeth Lr, Chevron <br /> Ne Lase Canpasy(CPL),W Hopp Mannedm,and Mr.Phil Bodem of Mommon Homes.CSL <br /> poposes so advance:three boring in the locations shown on the attached figure to demmfine if <br /> CPUs bssoded pipr3we operations in the area have adversely impacted site soil and groundwater <br /> in the subsurface. Sal samples will be obtained at the depth which exhibw the greatest evidence <br /> of peaohasn unpaged soil,a dctemuned through Load observations. If there is no evade=of <br /> Petnoleom impacted soil,the sail sample will be obtained at a depth of 5 fea below ground <br /> sudam A grab groundwater sample win be coBected from temporary well asmg m cacti boring <br /> location. <br /> As per CPUs Technical Appoach to Site Evaluation and Derision-Mating,Old Valley pipeline <br /> Sire-Central Valley(Maecb 20,1997;"C7onsimut Approach'),the soil and gtoeodwater sampks <br /> will be analyzed for the following oaudenmts as dc=tW below. <br /> • The sou sarrtplts will be anslymd for beaaae,winene,ethylbmeae,and twat xylenes <br /> M EX)using U.S.amm mmatl Ptooeeboa Agency y(EPA)Method 8020,polysr+wrntic <br /> hydrocarbons(PAHs)using EPA Method 8310 or 8270,and total exuwal*peaoleum <br /> hydrom'bons C1EM using EPA Method 8015M wanti6ed against exude oil <br /> • The gr000dwoer ampies will be analyzed for BTEX ung EPA Method 8020.PAHs ming <br /> Methods 8310 or 8270,total purpW pwoleom hydrocarbons(tpM using EPA Method <br /> 8015M quantified agaisst gasoline,and TEPH using EPA Method 8015M Quantified against <br /> In addition to the analysts b and for pumhya=atnples in our Consisom Approach,CSL will <br /> have the gt000dwates smphs analyzed for methyl tezzary butyl ether(MTBE)as requested by <br />