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47j ,_ Ip A <br /> 9 AAs <br /> _' .B.M.E. CORPORATION <br /> A Petroleum Testing and Monitoring Co. <br /> 3814 Auburn Blvd., Suite 62 <br /> Sacramento, CA 95821 <br /> (916) 972-9010 I ' <br /> II Z:LL-' <br /> Calif.License No.466258 <br /> AUG, 4 1989 <br /> 'i I <br /> July 22 , 1989 EX`.'if?ONMEN;A!HEAD' <br /> DERM,1T1SERVi('�:`' <br /> Diane Hinson <br /> San Joaquin County Environmental Health f <br /> POB 2009 <br /> Stockton, CA 95201 <br /> RE: Proposed Monitoring Wells <br /> - w <br /> _ Teic"hert "°Land`Cod <br /> 2025 E . Weber Street <br /> Stockton, CA <br /> Property leased to London Produce CO. , Inc. <br /> Dear Ms . Hinson: <br /> This is in response to attached ',comments by Gary Reents, <br /> California Regional Water Quality Control Board dated 12 July 89 . <br /> Please make the following elements partl�of the work plan so that <br /> the work can proceed. <br /> k 1 <br /> Comment No. 1: Dual completion monitor wells , <br /> PROPOSED ACTION: Eliminate the dua'1 completion monitor well <br /> and drill single completion monitor well 20+ into the water { <br /> table. ` <br /> If contamination is found and deeper wells are required, <br /> then second wells to deeper depths will be constructed. <br /> Comment No. 2 : Sampling data. <br /> PROPOSED ACTION: Monitor are proposed "as <br /> reference for background data because they are existing and are <br /> believed to be sufficiently distant from, London Produce so as not <br /> to be contaminated with salts. Water level data indicates they <br /> are up gradient from London Produce. Walter level measurements in <br /> monitor wells 3 , 4 and 5 indicate the groundwater gradient to be - <br /> 700+ Northeast . Water level measurements of monitor wells 3 , 5 <br /> and 6 indicate the groundwater gradient 'ito be about 700 Southwest . <br /> which places wells 7 and 8 downgradient . '' <br /> The location of monitor wells 7 a'nd 8 is also selected to <br /> provide space for drilling and to be in the area of the pickle <br /> vats. Water levels will be -measured at intervals of about two <br /> weeks for the first 6 weeks to establish groundwater gradient, <br /> then monthly to monitor changes . Groundwater contours will be } <br /> prepared. The nearest well to this site is about 1,500 feet tr II# <br /> southwest and has not been operated for several years. <br /> t <br /> � '4 <br />