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7600 West Efaventh Street,Tracy,CA <br /> _ 1 <br /> TABLE 3 <br /> THICKNESS OF FLOATING PRODUCT IN MONIORING WELL MW-7 <br /> Date Casing . Depth to Product/ Groundwater Product Approx.Volume of <br /> Purged of Elevation Groundwater Elevation Thickness Liquids Extracted <br /> Product Interface (Before Purging) Total Product e <br /> ft.MSL ft. ft.MSL ft. gal. gal. <br /> ' 48.22 <br /> 05/11/00, 8.56 39.66 n1m t 3 nip nip <br /> 08/22100 9.27 38.95 n1m nip nip <br /> 11128100 9.48 38.74 n/m 4 nip nip <br /> 05/30/01 9.14 39.08 nlm 4 nip nip <br /> 09/11/01 9.52 38.70 nim 4 nip nip <br /> 12/13/01 9.81 38.41 nlm 4 nip nip <br /> 04/11/02 9.64 38.58 0.30 n/p nip <br /> 07/29/02 8.66 39.56 0.18 nlp nip <br /> 10/25/02 9.84 38.38 0.48 nip nip <br /> 01/20/03 9.60 38.62 0.32 nip nip <br /> 04/15103 9.38 38.84 0.52 nip nip <br /> 07/30/03 9.08 39.14 . 0.33 n/p n/p <br /> 10/27/03 10.38 37.84 0.53 nip n/p <br /> 11/08/03 10.50 37.72 0.58 6 <1 <br /> 11115103 .10.10 38.12 0.13 4 tai <br /> 11/22/03 10.20 38.02 . 0 3 Sheen <br /> 12/21/03 9.80 38.42 0 2.5 1 oz. <br /> Notes: <br /> 1. n/m=Not measured. <br /> 2. nip=Not purged of floating product. <br /> 3. Moderate concentrations of components of fuel hydrocarbons in sample of groundwater recovered from well <br /> suggest LNAPL was not present(see Table 2). <br /> f4. High concentrations of components of fuel hydrocarbons in sample of groundwater recovered from well <br /> indicate LNAPL was present(see Table 2). <br /> 5. Estimated total recovered after successive rounds of purging with intermittent periods to permit groundwater <br /> U <br /> and floating product in well to re-establish equilibrium. <br /> i <br /> Ll <br /> sic <br /> U, <br />