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TRBLE 1 <br /> VALLEY SHOWCASE, 921 W. FREMONT STREET, STOCKTON, CA <br /> LABORATORY ANALYSIS OF WATER SAMPLES FROM MONITORING WELLS <br /> Samples taken in March, 1994 analyzed by FGL Environmental <br /> Samples taken in June, 1994 6 later analyzed by Sherwood Labs <br /> Laboratory method used and detection limits; <br /> BTEX - EPA 8020/602; ug/L; 0.3 <br /> THP-G EPA 5030/8015M; ug/L; 50.0 <br /> Purgeable Halocarbons - EPA 601; ug/L; limits vary; see lab <br /> sheets attached to report. <br /> Only compounds shown below were above <br /> detection limits. <br /> MBTE - EPA 8260; ug/L; 5.0 <br /> MW-1 <br /> Date 3/94 6/94 9/94 12/94 3/95 7/95 12/95 3/96 6/96 11/96 3/97 6/97 <br /> Benzene NO NO NO ND NO ND NO ND ND ND NO ND <br /> Toluene NO NO NO NO NO NA 0.7* ND ND ND ND ND <br /> E. Benzene NO NO NO ND NO NO NO NO ND ND ND ND <br /> Xylene NO NO NO NO NO NO 0.8 NO NO NO NO ND <br /> TPH-G NO ND ND NO NO ND NO NO ND ND ND ND <br /> MTBE ND ND NA NA NA <br /> 1 ,2-dichloroethane NO <br /> Trichloroethane 2.4 <br /> Tetrachloroethane 31.0 <br /> MW-2 <br /> Date 3/94 6/94 9/94 12/94 3195 7/95 12/95 3/96 6196 11/96 3/97 6197 <br /> Benzene 400 250 50 119 345 119 209 344 NT NT 183 NT <br /> Toluene 400 120 30 16 64 27 550 117 NT NT 86 NT <br /> E. Benzene 300 80 60 25 622 53 116 129 NT NT 127 NT <br /> Xylene , 2000 660 220 113 316 11B 419 656 NT NT 520 NT <br /> TPH-G 96.8 50 1800 1420 2506 1183 2490 3740 NT NT 2480 NT <br /> MTBE ND NT NT NA NT <br /> 1 ,2-dichloroethane 0.07 <br /> Trichloroethene 5.0 <br /> Tetrachloroethene 22.0 <br /> MW-3 <br /> Date 3/94 6/94 9/94 12/94 3/95 7/95 12/95 3/96 6/96 11/96 3/97 6/97 <br /> Benzene NO NO NO NT NO NO NO ND ND NO 0.5 0. 4 <br /> Toluene NO NO ND NT NO NO NO ND NO NO 0.7 NO <br /> E. Benzene NO NO NO NT NO NO NO NO NO NO 0.5 0.4 <br /> Xylene NO NO NO NT NO NO NO ND NO . 0, 4* 2.0 0.8 <br /> TAH-G NO NO NO NT NO NO NO ND NO ND 52 ND <br /> METE NO ND NA NA <br /> 1 ,2-dichloroethane NT <br /> Trichloroethene NT <br /> Tetrachloroethane NT <br /> Date MW-4 <br /> 5/96 6196 11/96 3/97 6/97 <br /> Benzene ND ND ND NO NO <br /> Toluene NO NO NO NO NO <br /> E. Benzene NO NO NO NO NO <br /> Xylene ND NO NO NO ND <br /> TPH-G ND ND NO ND NO <br /> MBTE NO NO NA NA NA <br /> ND - Not detected at reporting limit <br /> NT - Test not run <br /> NA - Test not applicable <br /> * - Possibly contaminated due to bailer blank "hit" <br /> 'WM.J.HUNTER&'ASSOC. LABORATORY RESULTS OF WATER SA14PLES <br /> 2220 LOMA VISTA DR. FROM MONITORING WELLS TABLE I <br /> SACRAMENTO,CA 95825 <br />