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M ® M M M M M M M M M ® M M M <br />Table 1 <br />Summary of VOC Detections at the Northern California Youth Correctional Center <br />CYA-1 <br />Date <br />1,1-Dichloroethane <br />Dichlorodifluoromethane <br />Tetrachloroethene <br />Trichloroethene <br />Trichlorofluoromethane <br />7/31/2007 <br />NS <br />NS <br />NS <br />NS <br />NS <br />8/16/2007 <br />NS <br />NS <br />NS <br />NS <br />NS <br />9/11/2007 <br />NS <br />NS <br />NS <br />NS <br />NS <br />10/11/2007 <br />NS <br />NS <br />NS <br />NS <br />NS <br />11/19/2007 <br />ND <br />1.6 <br />3.2 <br />ND <br />ND <br />12/13/2007 <br />0.21 J <br />1.6 <br />3.8 <br />0.49 J <br />0.42 J <br />1/17/2008 <br />ND <br />ND <br />3.8 <br />0.56 <br />ND <br />2/22/2008 <br />ND <br />1.7 <br />4.0 <br />0.51 <br />0.40 J <br />3/13/2008 <br />ND <br />2.2 <br />4.2 <br />0.55 <br />ND <br />4/16/2008 <br />ND <br />1.6 <br />3.9 <br />0.56 <br />0.35 J <br />5/7/2008 <br />ND <br />1.7 <br />3.8 <br />0.54 <br />ND <br />6/18/2008 <br />0.18 J <br />1.4 <br />3.3 <br />0.42 J <br />0.29 J <br />7/15/2008 <br />ND <br />1.1 <br />2.3 <br />0.29 J <br />ND <br />8/1/2008 <br />0.18 J <br />1.5 <br />2.7 <br />0.41J <br />0.21 J <br />Federal MCL <br />- <br />- <br />5 <br />5 <br />- <br />California MCL <br />5 <br />- <br />5 <br />5 <br />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 ex a Federal and/or California MCL. <br />* Listed MCL is for total trihalomethanes. Constituent -specific MCL not established. <br />