Laserfiche WebLink
Wright <br /> Environmental <br /> Services, Inc. : r �, ; a!,rf, <br /> fit? f <br /> Construction ♦ Engineering ♦ Remedzatton <br /> May 12, 2000 <br /> Project No 4100-QM <br /> i <br /> M & M Automotive j <br /> 60 E 10th Street <br /> Tracy, CA 95376 <br /> Attention Mr Larry McLean <br /> Re Quarterly Monitoring Well Sampling Report <br /> 60 E. 10th Street, Tracy, CA <br /> Dear Mr McLean, <br /> This report descnbes the monitoring well sampling at the above referenced site Wright Environmental <br /> Services, Inc (Wright) was retained to coordinate sampling and chemical analysis of the site monitoring <br /> wells Previous reports are on file with the County of San Joaquin Public Health Service, Environmental <br /> Health Division (PHS-EHD) regarding the removal of impacted soil discovered dunng underground fuel <br /> storage tank removal Three monitoring wells currently monitor the site, a replacement well for <br /> previously destroyed MW-1 is planned once permits are approved by PHS-EHD and Driller is scheduled <br /> Field Sampling Procedures <br /> Three monitoring wells were sampled on Apni 20, 2000 The sampler purged well volumes of <br /> groundwater from each well using a submersible electric purge pump (after a volume calculation was <br /> done for each well purge based upon initial water level measurements) Purge water was stored on-site <br /> in barrels Measurements of conductivity, pH, and water temperature were obtained between each well <br /> volume, and noted on the attached groundwater sampling information sheets Once the readings <br /> stabilized over two purge volumes, aquifer water was assumed to enter the well Each well was then <br /> allowed to recharge to about 80% of the initial water level prior to sample collection A new disposable <br /> bailer was used to obtain each well groundwater sample <br /> Each sample was carefully poured into laboratory prepared containers leaving no headspace, capped, <br /> labeled, logged onto chain-of-custody forms and immediately placed on crushed ice for shipment to <br /> Chromalab Inc in Pleasanton, California (a State Certified Testing Lab) Table 1 presents the <br /> groundwater monitoring well water level data <br /> 67 E 10th Street e Tracy,CA 95376 <br /> 209 833 0758 ♦ Fax 209 832 5152 <br /> wright@rnreach com Lx #651501 A-B HazMat <br /> webstt http 11home rnreach com/wright <br />