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I 7,wo Wes[Eleventh Street,Trdcy,CA i TABLE 5 THICKNESS OF FLOATING PRODUCT IN SELECTED MONIORING WELLS Well Date Casing Depth to Producti Groundwater Product Approx.Volume of No. Purged of Elevation Groundwater Elevation Thickness n Liquids ExtractedTotal roduct s Product Interface (Before Purging)g) (. ft.MSL ft. ft.MSL R. gal. gal. { MW-7 48.228.56 39.66 nlm'.5 nip nip t 05!11100 �. 08/22/00 9.27 38.95 nim nip nip 11/28/00 9.46 38.74 nlm` nlp nip 05/30/01 9.14 39.08 nlm° nip nip 38.70 " ni 09/11/01 9.52 n/m 4 n1p p 12113!011 9.81 38.41 nl 04/11/02 9.64 36.58 0.30 nip nip 07/29/02 8.66 39.56 0.18 nip nip 10125!02 9.84 38.38 0.48 nip nip 01120103 9.60 38.62 0.32 rip nip 04115/03 9.38 38.64 0.52 n1p nip 07130!03 9.08 39.14 0.33 nip rdp 10/27/03 10.38 37.84 0.53 nip nip 9.50 38.72 0.58 6 <1 11/06/43 11!15103 10.10 38.12 0.13 4 <1 11/22/03 10.20 38.02 0 3 sheen 12/21/03 9.80 38.42 0 2.5 <1 oz 01/26/04 9.86 38.34 0 15 trace 03!30104 9.80 36.42 <0,02 8 trace 04122!04 9.90 38.32 <0.02 15 trace ,-� MW-13 49.61 15 0 04!30104 11.08 38.53 0 MW-14 47.39 15 0 04130/04 9.20 36'19 0 MWFP-1 48.00 15 0 - 04/30/04 9.64' 38.36 0 MWFP-2 46.65 15 0 04130!04 8.34 38'31 0 MWFP-3 47.35 15 0 04130!04 9.04 38.31 0 ` t MWFp.4 47.88 04/30/04 9.69 38.19 0 15 0 MWFPS 45.63 15 0 04/30/04 7.52 38.11 0 Notes: 1. n1m=Not measured. 2. nip=Not purged of floating product. 3. Moderate concentrations of components of fuel hydrocarbons in sample of groundwater recovered from well suggest LNAPL was not present(see Table 2), 4. High concentrations of components of fuel hydrocarbons in sample of groundwater recovered from well indicate LNAPL was present(see Table 2). 5. Estimated total recovered after successive rounds of purging with intermittent periods to permit groundwater and floating product in well to re-establish equilibrium. ' i sic G 1L.