Laserfiche WebLink
• <br /> ` Wright <br /> . it;" _ NtFAI QUI-III Environmental <br /> ' LServices, Inc. <br /> 32 <br /> March 31 , 1997 <br /> Project No 4100-QM <br /> M & M Automotive <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 McLeary, <br /> This report describes the monitoring well sampling at the above referenced site for the quarter <br /> ending March, 1997 Wright Environmental Services, Inc (Wright) was retained to coordinate <br /> sampling and chemical analysis of the site monitoring wells Previous reports are on file with <br /> the County of San Joaquin Public Health Service, Environmental Health Division (PHS-EHD) <br /> regarding the removal of impacted soil discovered during underground fuel storage tank <br /> removal Three monitoring wells currently exist on-site <br /> Field Sampling Procedures <br /> Three monitoring wells were sampled on March 10, 1997 The samplers proceeded to purge <br /> well volumes of groundwater from each well using a submersible electric purge pump (a <br /> volume calculation was done for each well following water level measurements) Purge water <br /> was stored on-site in barrels Measurements of conductivity, pH, and water temperature were <br /> obtained between each well volume, and noted on the attached groundwater sampling information <br /> sheets Once the readings stabilized over two purge volumes, aquifer water was assumed to <br /> enter the well Each well was then allowed to recharge to about 80% of the initial water level <br /> prior to sample collection <br /> A new disposable bailer was used to obtain each well groundwater sample Each sample was <br /> carefully poured into laboratory prepared containers leaving no headspace, capped, labeled, <br /> logged onto chain-of-custody forms and immediately placed on ice for shipment to Priority <br /> Environmental Laboratories Inc in Milpitas, California (a State Certified Testing Lab) Table <br /> 1 presents the groundwater monitoring well water level data <br /> 0 M & M Automotive Project No 4100-QM Page 1 <br /> 4220 Commercial Dr #5 ^ Tracy, California 95376 <br /> Telephone (209) 833-0758 a Fax (209) 832-5152 <br />