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F mer Discovery Chevrolet May <br /> Tracy, California Corrective Action Plan <br /> Table 5 -Laboratory Analytical Groundwater Data- GP-1 through GP-9 <br /> Boring Sampling TPHg MTBE.. Benzene Toluene Ethyl- Xylenes DIPE ETBE TAME Tert- <br /> Number Date benzene. Butanol <br /> (ppb) (ppb) (Ppb) (ppb) (ppb) (Ppb) (Ppb) (ppb) (ppb) (ppb) <br /> GP-1 02/19/98 68 <0.50 <0.50 1.1 <0.50 0.50 <0.50 <0.50 <0.50 <5.0 <br /> GP-2 02/19/98 <50 <0.50 <0.50 <0.50 <0.50 2.2 <0.50 <0.50 <0.50 <5.0 <br /> GP-3 02/19/98 540 0.82 <0.50 2.9 1.5 13 <0.50 <0.50 <0.50 <5.0 <br /> GP-4 02/19/98 1,400 3.0 340 21 76 210 <0.50 <0.50 <0.50 <5.0 <br /> GP-5 02/19/98 6,600 2.3 480 35 420 1,700 <0.50 <0.50 <0.50 <5.0 <br /> GP-6 02/19/98 14,000 6.4 270 1,100 580 3,100 <0.50 <0.50 <0.50 <5.0 <br /> GP-7 02/19/98 310 0.53 14 0.83 9.0 47 <0.50 <0.50 <0.50 <5.0 <br /> GP-8 02/19/98 1,800 3.0 3.5 0.61 2.8 12 <0.50 <0.50 <0.50 <5.0 <br /> GP-9 02/19/98 240 <0.50 1.3 <0.50 0.69 5.1 <0.50 <0.50 <0.50 <5.0 <br /> GP-10 02/19/98 340 <0.50 5.2 40 18 90 <0.50 <0.50 <0.50 <5.0 <br /> TPHg=Total Petroleum Hydrocarbons as gasoline MTBE=methyl tertiary butyl-ether ppb=parts per billion(gg/L) <br /> DIPE=di-isopropyl ether ETBE=ethyl tertiary butyl ether TAME=tertiary amyl methyl ether <br /> 3001-21.cap HORIZON ENVIRONMENTAL INC. <br />