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1MI <br /> 7500 West Eleventh Street,Tracy,CA <br /> Well Date Casing Depth to Product/ Groundwater Product Approx.Volume of <br /> No. Purged of Elevation Groundwater Elevation Thickness Liquids Extracted <br /> Product Interface (Before Purging) Total Product 5 <br /> ft. MSL ft. ft.MSL ft. gal. gal. <br /> MW FP-3 47.35 <br /> 04/30/04 9.04 38.31 0 15 0 <br /> 07/26/04 8.19 39.16 0 nip nip <br /> 10/27/04 8.77 38.58 0 n/p nip <br /> 02/24/05 8.42 38.93 0 15 0 <br /> 06/23/05 7.98 39.37 0 15 0 <br /> MWFP-4 47.88 <br /> _ y 04/30/04 9.69 38.19 0 15 0 <br /> 07/26/04 8.83 39.05 0 nip nip <br /> 10/27/04 9.38 38"50 0 nip nip <br /> 02/24/05 9.07 38.81 0 15 0 <br /> 06/23/05 8.69 39.19 0 15 0 <br /> MW FP-5 45.63 <br /> 04/30/04 7.52 38.11 0 15 0 <br /> k 07/26/04 6.74 38.89 D nlp nip <br /> 10/27/04 7.27 38.36 0 nip nlp <br /> -Z 02/24/05 7.00 38.63 0 15 0 <br /> 06/23/05 6.68 38.95 0 15 0 <br /> r.: <br /> Notes: 1. n/m=Not measured. <br /> .� 2. n/p=Not purged of floating product. <br /> 3. Moderate concentrations of components of fuel hydrocarbons in sample of groundwater recovered <br /> from well suggest LNAPL was not present(see Table 2). <br /> 4, 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 <br /> groundwater and Floating product in well to re-establish equilibrium. <br /> -r <br /> '-4 <br /> =' <br /> sic <br /> Page 2 of 2 <br />