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r <br /> TABLE 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 FOL Environmental <br /> Samples taken in June, 1994 & later analyzed by Sherwood Labs <br /> Laboratory method used and detection limits: <br /> BTEX - EPA 8020/602; ug/L; 0.3 <br /> THP-6 EPA 5030/8015M; ug/L; 50.0 <br /> Purgeable Halocarbons - EPA 6011 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 <br /> Benzene NO ND NO ND ND ND NO ND ND ND ND <br /> Toluene ND NO ND ND NO ND 0.7* ND ND ND ND <br /> E. Benzene ND NO NO NO NO ND NO NO NO ND ND <br /> Xylene ND ND ND ND ND ND 0.8 ND ND ND ND <br /> TPH-G ND ND NO ND ND ND NO NO ND NO NO <br /> MTBE ND ND NA NA <br /> 1 ,2-dichloroethane ND <br /> Trichloroethene 2.4 <br /> Tetrachloroethene 31.0 <br /> MW-2 <br /> Date 3/94 6/94 9194 12/94 3/95 7195 12195 3/96 6/96 11/96 3197 <br /> Benzene •400 250 50 119 345 119 209 344 NT NT 183 <br /> Toluene 400 120 30 16 64 27 550 117 NT NT 86 <br /> E. Benzene 300 80 60 25 622 53 116 129 NT NT 127 <br /> Xylene 2000 660 220 113 316 118 419 656 NT NT 520 <br /> TPH-G 96.8 50 1800 1420 2506 1183 2490 3740 NT NT 2480 <br /> MTBE NO NT NT NA <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 <br /> Benzene ND ND ND NT NO ND NO ND ND ND 0. 5 <br /> Toluene ND ND ND NT NO NO ND NO ND ND 0.7 <br /> E. Benzene NO ND NO NT ND ND ND ND ND NO 0.5 <br /> Xylene ND NO ND NT ND ND ND NO NO 0.4* 2.0 <br /> TPH-G NO NO NO NT ND NO NO ND ND ND 52 <br /> MBTE ND ND NA NA <br /> 1 ,2-dichloroethane NT <br /> Trichloroethene NT <br /> Tetrachloroethene NT <br /> Date MW-4 <br /> 5/96 6/96 11/96 3/97 <br /> Benzene NO ND NO NO <br /> Toluene NO NO NO ND <br /> E. Benzene ND ND ND NO <br /> Xylene NO NO ND NO <br /> TPH-8 ND ND ND ND <br /> MBTE ND ND 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 SAMPLES <br /> 2220 ENTOMA VISTA DR. FROM MONITORING WELLS TABLE <br /> SACRAMENTO,CA 95825 <br />