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Table 1 <br /> Summary of VOC Detections at the Northern California Youth Correctional Center <br /> CYA-I <br /> Date 1,1-Dichloroethane Dichlorodifluoromethane Tetrachloroethene Trichloroethene Trichlorofluoromethane <br /> 7/31/2007 NS NS NS NS NS <br /> 8/16/2007 NS NS NS NS NS <br /> 9/11/2007 NS NS NS NS NS <br /> 10/11/2007 NS NS NS NS NS <br /> 11/19/2007 ND 1.6 3.2 ND ND <br /> 12/13/2007 0.21 J 1.6 3.8 0.49 J 0.42 J <br /> 1/17/2008 ND ND 3.8 0.56 ND <br /> 2/22/2008 ND 1.7 4.0 0.51 0.40 J <br /> 3/13/2008 ND 2.2 4.2 0.55 ND <br /> 4/16/2008 ND 1.6 3.9 0.56 0.35 J <br /> 5/7/2008 ND 1.7 3.8 0.54 ND <br /> 6/18/2008 0.18 J 1.4 3.3 0.42 J 0.29 J <br /> 7/15/2008 ND 1.1 2.3 0.29 J ND <br /> 8/1/2008 0.18 J 1.5 2.7 0.41J 0.21 J <br /> 9/9/2008 ND 1.2 2.0 ND ND <br /> Federal MCL - - 5 5 - <br /> California MCL 5 - 5 5 150 <br /> All results presented in ug/L. <br /> Federal MCL: Maximum Contamination Level from EPA 816-F-03-016 <br /> California MCL: Maximum Contamination Level from California Code of Regulations Title 22§64444 and§64533 <br /> ND:Not detected above the method detection limit(MDL). <br /> NS:Not sampled due to mechanical failure. <br /> J: Estimated value between the practical quantitation limit(PQL)and MDL. <br /> Constituent exceeds Federal i and/or California MCL. <br /> *Listed MCL is for total trihalomethanes. Constituent-specific MCL not established. <br />