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r r r r r ® r r r ® r r ® r ® r r Table 1(Continued) Summary of VOC Detections at the Northern California Youth Correctional Center CYA-4 Date 1,1-Dichloroethane Chloroform Chloromethane Dichlorodifluoromethane Tetrachloroethene Toluene Trichloroethene Trichlorofluoromethane 7/31/2007 0.111 0.111 ND 0.85 1.5 ND 0.32 J 0.20 J 8/16/2007 ND ND ND 0.77 1.3 0.48 J 0.26 J 0.15 J 9/11/2007 ND ND ND 0.87 1.4 ND 0.30 J 0.16 J 10/11/2007 ND ND ND 0.89 1.5 ND ND ND 11/19/2007 ND ND ND 0.93 1.3 ND ND ND 12/13/2007 ND ND ND 0.93 1.5 ND 0.22 J ND 1/17/2008 ND ND ND ND 1.4 ND ND ND 2/22/2008 ND ND ND 1.0 1.4 ND 0.27 J ND 3/13/2008 ND ND ND 1.2 1.5 ND ND ND 4/16/2008 ND ND ND 0.89 1.5 ND 0.25 J ND 5/7/2008 ND ND ND 1.1 1.6 ND ND ND 6/18/2008 ND ND ND ND ND ND ND ND 7/15/2008 0.14 J ND ND 1.3 2.0 ND 0.40 J ND 8/1/2008 ND ND ND 1.2 1.7 ND 0.32 J ND 9/9/2008 ND ND ND 1.2 1.8 ND ND ND 10/16/2008 ND ND ND ND 2.0 ND ND ND 11/13/2008 0.15 J ND ND 1.1 2.0 ND 0.40 J ND 12/9/2008 ND ND ND 1.2 1.7 ND ND ND 1/20/2009 ND ND ND 1.1 1.7 ND ND ND 2/5/2009 ND ND ND 0.9 1.7 ND ND ND 3/17/2009 ND ND 0.61 0.88 0.66 ND ND ND 4/15/2009 ND ND ND 1.1 1.9 ND 0.44 J ND 5/27/2009 ND ND ND 0.88 1.4 ND ND ND 6/23/2009 ND ND ND 1.0 1.7 ND ND ND 7/28/2009 ND ND ND 1.3 2.3 ND ND ND 8/12/2009 ND ND ND 0.90 1.8 ND ND ND 9/11/2009 ND ND ND 1.3 3.6 ND 0.62 ND 10/1/2009 ND ND ND 0.83 1.7 ND 0.36 J ND Federal MCL - 80* - - 5 1000 5 California MCL 5 80* - 5 150 5 150 All results presented in ug/L. Federal MCL:Maximum Contamination Level from EPA 816-F-03-016 California MCL:Maximum Contamination Level from California Code of Regulations Title 22§64444 and§64533 ND:Not detected above the method detection limit(MDL). J:Estimated value between the practical quantitation limit(PQL)and MDL. Constituent exceedsFederal and/or California MCL. *Listed MCL is for total trihalomethanes. Constituent-specific MCL not established.