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Wright Environmental .;ate Services, Inc. July 30, 1996 Project No 4129 Tracy Public School Bus Facility Ms Anne Bell 315 East Eleventh Street Tracy, CA 95376 Re: Quarterly Monitoring Well Sampling Report 315 East Eleventh Street, Tracy, CA Dear Ms Bell Wright Environmental Services, Inc (Wright) has prepared this report which describes the sampling of monitoring wells at the above referenced site for the second quarter, 1996 There are currently three groundwater monitoring wells on-site Previous reports are on file with the County of San Joaquin Department of Environmental Health regarding contamination from underground fuel storage tanks Field Sampling Methods This site is currently occupied by the Tracy Public school District The monitoring wells were sampled on June 27, 1996 and the following table briefly describes their current status (see Table 1) below, i Table 1. Monitoring Wells Sampling Well Date Well Depth to Casing Water Floating No Sampled Depth Water Elev Elev Product (ft) (ft) (MSL ft) (MSL ft) T-1 3/28/96 1972 807 4796 3989 None T-1 6/27/96 1972 860 ----- 3936 None T-2 3/28/96 2405 777 4772 3995 None T-2 6/27/96 2410 820 ----- 3952 None T-3 3/28/96 2502 759 4775 4016 None T-3 6/27/96 2465 820 ----- 3955 None The sampler proceeded to purge well volumes (a calculation was done for each well following sounding measurements) of groundwater from the well using the disposable bailer The well was then allowed to re-charge Between each well volume purge, conductivity, pH, and water temperature readings were obtained and noted on the attached groundwater sampling information sheets Once these readings stabilized after two consecutive purge volumes, and the well 4220 Commercial Dr #5 - Tracy, California 95376 Telephone (209) 833-0758 - Fax (209) 832-5152