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Table 3: <br /> All Pure Chemical, Tracy Facility <br /> Carbon Tetrachloride and Chloroform concentrations (4/91 - 8/94) <br /> (Data from APC Quarterly Monitoring Reports, RESNA) <br /> MW-1 _ MW-2 MW-3 MW-4 <br /> CTC CF CTC CF CTC CF CTC CF MCL CTC MCL CF <br /> Apr. 91 14 30 0.5 31 0.5 9.3 0.5 0.5 0.5 100 <br /> Jul. 91 7.2 17 0.5 90 0.5 4.9 0.5 0.5 0.5 1 <br /> 00 <br /> - --- --- <br /> Oct. 91 6.5 14 0.5 - __ 47 0.5 0.5 0.5 0.5 0.5 100 <br /> Jan. 92 3.4 14 0.5 18 0.5 4.1 0.5 0.5 0.5 1 <br /> 00 <br /> Apr. 92 7.1 26 0.56 16 0.5 3.6 0.5 0.5 0.5 1 <br /> 00 <br /> - - <br /> Jul. 92 16 110 0.5 64 0.5 11 0.5 0.5 0.5 1 <br /> Dec. 92 3.6 14 1.1 44 0.5 0.84 0.5 0.5 0.5 1 <br /> 00 <br /> Mar. 93 4.2 19 3.9 25 0.5 0.5 0.5 0.5 0.5 100 <br /> ---- <br /> Jul. 93 _ - 0.5 230 00 <br /> 82 300 0.5 0.5 0.5 0.5 0.5 1 <br /> Aug. 9325 290 68 280 0.5 32 0.5 0.5 0.5 100 <br /> Nov. 93 0.5 22 0.5 350 0.5 300 0.5 0.5 0.5 1 <br /> Mar. 94 2.5 24 20 140 0.5 2600 0.5 0.5 0.5 1 <br /> 00 <br /> 126 <br /> May. 94 2 37 97 520 4 790 0.5 0.5 0.5 1 <br /> Aug. 94 1 2.6 !LL691 8401 1.6 2401 0.51 0.51 0.5 100 <br /> CTC-carbon tetrachloride <br /> CF-chloroform - <br /> MCL-State Maximum Contamination Level Tracy Well Survey <br />