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OR <br /> ERm-west, Inc. <br /> —�� <br /> n», 455 Telefax 1415;946.90J68 <br /> quite 260 1777 P_otelno Dave•VJa4nui Gree .Ca,;lorn,a 9x59& 54»2 s 1 S; _ S'4 <br /> October 9, 1991 <br /> Ms. Mary Meays <br /> public Health Services/Environmental Health <br /> San Joaquin County <br /> 1601 East Hazelton Avenue <br /> Stockton,CA 95201 Report <br /> Subject: Third Quarter Ground Water Monitoring <br /> 1515 West Weber Avenue,Stockton, California <br /> Site Code: 1284 <br /> Dear Mary: lin at <br /> ERM-West, Inc. has completed the third quarter ground water sampling <br /> Discussed herein are the purging n and sampling <br /> 1515 West Weber Avenue. <br /> ses. Also included with this <br /> methods and the results f heaborato fimplingndings for your reference. <br /> report are the secondquarter <br /> re 1)were purged and <br /> Monitoring wells MW-1 through ERM West, Inc. personnel. Prior to <br /> sampled on September 9, 1991 by the wetted tape <br /> n the depth to water in the wells was measured by <br /> purer g' depth of the well was also measured. <br /> The ell is were <br /> method ('fable I). pproximately 18 gallons of water P <br /> then purged by removing <br /> led. Sampling was <br /> After purging was completed, the wells were sampled. <br /> with a removable <br /> accomplished with a pre-cleaned Teflon bailer equippedlied <br /> provided to the laboratory were labeled and sealed into <br /> petcock. Water' <br /> transfered from the bailer into Iaboratary-sup <br /> bottles. All same P <br /> zip-lock type plastic bags, and then placed on ice in a coo ler. <br /> ualit Control (QA/QC) procedures were followed <br /> Quality Assurance/Q Y <br /> ui ment <br /> during purging and sampling. <br /> prior to work at esLh well, the w <br /> decontamination procedures was retained <br /> was cleaned and decontaminated with an Alconox solution followed <br /> w le <br /> - - - - <br /> clean water rinse. Water from a loves were w <br /> _in 55-gallon drums and stored_an site. Latex <br /> bottles. Bailercordwas_ - -- <br /> handling sampling equipmentat e h well location. <br /> replaced before sampling <br /> An ai=d;ase of The Enviformentat Resources Management Group Wan okl ces wortdwioe a.a <br />