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LBwr-On Associates _ <br /> - IiBrdEn9 <br /> tInV i - <br /> November 7, 1991 i <br /> 20548,001.03 <br /> San Joaquin County <br /> Public Health Services <br /> Environmental Health Services <br /> P.O. Box 2009 <br /> Stockton, California 95201 <br /> Attention: Ms. Margaret Lagorio <br /> Ladies and Gentlemen: <br /> Soil And Groundwater Investigation <br /> Cozad Trailers <br /> Stockton, California <br /> This letter presents information requested by Ms. Lagorio <br /> concerning the site of the Cozad Trailer facility in Stockton, <br /> where Harding Lawson Associates (HLA) has conducted a soli and <br /> groundwater investigation. in a telephone conversation with Mr. <br /> Stephen Osborne of HLA, Ms. Lagorio requested additional <br /> information and clarification of issues discussed in MLA's <br /> report entitled "Soil and Groundwater Investigation", dated <br /> September 24, 1991. This information eras also requested in a <br /> letter lite Cozad dated October 31, <br /> from your office to Ms. Carme <br /> 1991. <br /> Ms. Lagoria's comments are summarized as follows: <br /> 1. Another series of groundwater level measurements is needed <br /> to confirm the direction of groundwater flow. <br /> 2. The chain-of-custody form and laboratory report for sail <br /> samples collected from aerated soils generated during the <br /> gasoline tank removal must be presented. <br /> 3. The disposal of the purged water from the monitoring wells <br /> must be specified. <br /> 1355 Willow Way.Su�Ee 109,Concord,CA 945'20 51WMT9660 - <br /> Engineering and rrs A'anun.ldr - -. <br /> .t S.hTIMay of 11vrJin8 A530" rr+011• <br /> Envitonmental servirv5 - <br />