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Table 4 - Groundwater Removal and Analytical Data
<br /> Tosco (Former BP)Station No. 11195
<br /> 16500 South Interstate 5
<br /> Lathrop,California
<br /> Date Purge Cumulative MtBE TPHg Benzene Toluene Ethyl- Xylenes MtBE
<br /> Sampled Volume Purge Volume Removed Benzene
<br /> or Purged in Gallons in Gallons by Well in Pounds (ppb) (ppb) (ppb) (ppb) (ppb) (ppb)
<br /> Purged from Conductor Casing CC-WS Installed in UST Pitz
<br /> 7/25/00 3,500 172,760 0.08
<br /> 8/3100 Dry 172,760 0.00
<br /> 8/11/00 Dry 172,760 0.00
<br /> 8/16/00 2,500 175,260 0.06
<br /> 8/21100 -- -- -- ND ND ND ND ND 3,200
<br /> 8130100 2,500 177,760 0.03 -- __ __ __ _-
<br /> 9/5/00 Dry 177,760 0.00
<br /> 9/13/00 2,500 180,260 0.03
<br /> 9/20/00 2,500 182,760 0.03
<br /> 9/30/00 2,500 185,260 0.03
<br /> 10/5100 2,500 187,760 0.03
<br /> 10/13/00 500 188,260 0.01
<br /> 10/19/00 2,500 190,760 0.03
<br /> 10/27/00 Dry 190,760 0.00
<br /> 11/8/00 2,500 193,260 0.03
<br /> 1125100 2,500 195,760 0.03
<br /> 11/29/00 1,000 196,760 0.01
<br /> 12/5/00 2,000 198,760 0.03 - __ __ __ --
<br /> 12/12/00 -- -- -- -- -- -- -- -- 17
<br /> 1/3/01 1,000 199,760 0.00 - -- __ __ _ --
<br /> 1/9101 50 199,810 0.00
<br /> 1/23/01 800 200,610 0.00 -- -- __ _ __ --
<br /> 2/8/01 2,500 203,110 0.00
<br /> 2/09101 -- -- -- ND ND ND ND 1.22 253
<br /> 2113/01 3,000 206,110 0.01 -- -- _ __ __ --
<br /> 2/20/01 2,500 208,610 0.01
<br /> 2127101 2,500 211,110 0.01
<br /> 3/7/01 5,000 216,110 0.01
<br /> 3115101 2,000 218,110 0.01 -- __ __ __ --
<br /> 140193.08 g
<br /> 4/11102
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