Laserfiche WebLink
'r rCt Sk k5 d E� <br /> { <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL :ARD r CENTRAL VALLEY REGION <br /> 3443 Rouiier Road Pnone. (9 16) 961.6600 <br /> Sacramento, CA 95817.3098 _ ATSS8.496.5600 <br /> M Laurie Cotulla FROM Gary A. Reents <br /> San Joaquin Local Health Dtstrir,t Project Engineer <br /> DATE. 23 October 1987 SIGNATURE: _ <br /> SUBJECT: PG AND E TRACY SERVICE CENTER kEPORT ANC PROPOSAL, SAN JOAQUIN COUNTY <br /> I have reviewed the above subjects aCcompmlying PG a•`rl F. 's 29 September letter and <br /> have the following comments; <br /> 1. 1 agree that ethylene d',b. ; Ae !EDB) may be present in crDuni water beneath <br /> the Site from su+^r^undir' : d7r'cultural al-t'v'ties. i!Owever, comparison of <br /> results from uperidient versus downgradiPnt monitc,ring wells will determine if <br /> the site lr a c.on rihuting source. Addltionally, ethylene dichloride (1,2- <br /> Oichlo•oethane) iS a common gasoline additive and potential ground water <br /> contaminant. Accordingly, all ground water analyses must '.nciade these two <br /> constituents. <br /> 2. Since PG and E has elected to analyze for total lean, bacxgr� , analyses <br /> should consist -> at. least three samples from ncontaninrteg i, .. i :similar <br /> soil types. <br /> 3. Coilect',ne and .?rya'y"iriq soil samples frG(n the proposed mcn'to, ;fL Icr•irigs <br /> will not ! e prciductive. Soil sarnpl9ng sI,ould be perforrge`r in :: r4 of the <br /> tank tc deflno Scil contamination. Prop-,sed itlGnit'�r`•.ng Hell 1� w'il ) be <br /> outside this area. <br /> 4. PG and E in• p"oposFd no actit;ns to define and remeri'ate sC' ' ,nation in <br /> the arruz. ,nf ?.`,i: 'ea! ina tank . .a;nplsoq and mitigat±or: ioulo be <br /> perform,,ed ac the same time as t val . <br /> 5. All of the , ropQO ed vlclls Should lie �:n;p 1,ed nn�s dl)a',dr'G r - -ii ? L;tuLents <br /> of concern onca installed. <br /> 6. Future submlr° �-'s sb'rs'd contain a t°are Scned.rle for a': ? prop- sec work. Two <br /> copies of all r>p.^.rt ; ar,diorkplan;: >n�.�!d be s.ipp ,0d. <br /> 7. The chromatagrams Irl the Soll Vara ,A�SCSSment Report are ille 'i e. Twp <br /> readable copies of the reprt, shoul,; t.e resuhm teed, <br /> in order to G:¢ji .i'te i.'"P project, PO e:' .. P,P. �l iowr_'t to lrii :iAte work <br /> On-site as lora, hP, above comrr',r:Ad ;? 4: r traJ Into :heir work plan. <br /> GAR:ej <br />