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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 UST Pit Durine Tank Replacement
<br /> 12/30/98 -- -- 8,400 310 1,500 160 1,600 100,000'
<br /> 12/30/98 -- -- -- 60,000 1,500 14,000 1,700 12,000 130,000`
<br /> 1119199 5,000 5,000 4.79 --
<br /> 1/20/99 10,000 15,000 9.59
<br /> 1/21/99 10,000 25,000 9.59
<br /> 1/22199 9,000 34,000 8.63
<br /> 1/23/99 5,000 39,000 4.79
<br /> Total Volume Purged From UST Pit 39,000
<br /> Total MtBE Removed From UST Pit 37.39
<br /> during UST Removal
<br /> Pur ed from Conductor Casing CC-WS Installed in UST Pitz
<br /> 2/1/99 -- -- -- 600 8.0 5.7 6.3 37 12,000
<br /> 214/99 5,000 5,000 0.25 -- -- __ __ __ --
<br /> 2/5/99 17,000 22,000 0.85
<br /> 2/26199 5,000 27,000 0.25
<br /> 3/3/99 5,000 32,000 0.25
<br /> 315199 5,000 37,000 025
<br /> 3/11/99 5,000 42,000 0.25
<br /> 3113/99 5,000 47,000 0.25
<br /> 3/17/99 3,360 50,360 0.17
<br /> 3/19/99 4,200 54,560 0.21
<br /> 3/23199 4,200 58,760 0.21
<br /> 3/26/99 5,000 63,760 0.25
<br /> 4/9/99 5,000 68,760 0.25
<br /> 8/2199 5,000 73,760 0.25
<br /> 8111199 5,000 78,760 0.25 -- -- -- __ --
<br /> 14019308 1
<br /> 4111102
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