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_ Project No 034- 081 <br /> Appendix A <br /> TABLE III <br /> Groundwater Sample Analytical Results <br /> H&H Engineering Property <br /> 212 Industrial Drive <br /> Stockton, California <br /> (Concentrations expressed in micrograms per liter, g/L) <br /> Well No Sample Date B T E X TPH-G MTBE Oxygenates Ethanol _ Methanol <br /> MW-1 1012198 4,500 ND ND ND 1,100 ND ND --- --- <br /> 1128/99 9,300 67 460 880 28,000 ND --- <br /> 5/14199 4,600 ND ND 190 10,000 ND --- --- --- <br /> 912199 4,300 ND ND ND 11,000 ND --- --- --- <br /> 12./21199 7,800 ND 440 ND 24,000 ND ND ND ND <br /> MW-2 10/2/98 10 ND ND 38 ND ND ND --- --- <br /> 1128/99 ND ND ND ND 280 ND --- --- <br /> 5/14/99 18 ND ND ND 170 ND --- --- <br /> 9/2/99 35 ND ND ND 210 ND --- --- --- <br /> 12/21/99 58 ND ND ND 150 ND ND ND ND <br /> MW-3 1012198 200 ND ND 64 45 ND ND --- --- <br /> 1/28199 ND ND ND 26 100 ND --- --- --- <br /> 5/14/99 120 ND ND ND 57 ND --- --- --- <br /> 912/99 28 ND ND ND 48 ND --- --- --- <br /> 12121/99 11 ND ND ND 40 ND ND ND ND <br /> NA--- = Not analyzed <br /> ND = None detected at or above the Practical Quantitation Limit or Detection Limit for purposes of reporting noted on the <br /> Analytical Report(Appendix B) <br /> BTEX = Benzene,toluene,ethylbenzene, xylenes by EPA Method 8021B/8015 <br /> MTBE = Methyl tertiary butyl ether by EPA Method 8260B <br /> TPH-G = Total petroleum hydrocarbons as gasoline by EPA Method 8021B/8015 <br /> Oxygenates = MTBE, di-isoproyl-ether, ethyl-tert-butyl-ether,tert-amyl-methyl-ether by EPA Method 8260B <br /> Ethanol = by EPA Method 8015M <br /> Methanol = by EPA Method 8015M <br />