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TABLE 12 SUMMARY Y HUMAN CARCINOGENIC POLLUTANATISTICS <br /> m <br /> ca <br /> o d m <br /> L L C N <br /> N N L <br /> CL <br /> 2 E a <br /> 0 0 <br /> o `o `o d <br /> z <br /> Off' U U L <br /> E o F u <br /> Sample Date 2 o m <br /> (Concentations in ug/1) 5 m` C14a <br /> 09-Jan-02 0.7 2.2 <0.6 2.0 J <br /> 07-Feb-02 <0.3 1.3 <br /> 13-Mar-02 <0.3 1 <br /> 16-Apr-02 <0.3 1 11 7 <br /> 14-May-02 0.5 2.8 <br /> 13-Jun-02 0.3 J 2.3 <br /> 09-Jul-02 1.2 3.5 0.9 J 4 <br /> 06-Aug-02 0.4 J 2.2 <br /> 03-Sep-02 - <0.3 1.4 <br /> 01-Oct-02 <0.3 1.7 <0.6 0.9 J <br /> 12-Nov-02 <0.3 1.4 <br /> 11-Dec-02 0.7 3 <br /> Sample Count 12 12 4 4 <br /> Max. Concentration (pg/1) 1.20 3.50 11.00 7.00 <br /> Mean pg/1) 0.47 1.98 3.28 3.48 <br /> Median (ug/1) 0.3 1.95 0.75 3 <br /> Std. Dev. 0.28 0.82 5.15 2.68 <br /> Cv 0.60 0.41 0.60 0'.60 <br /> Factor(99th percentile)(') 3.11 3.11 <br /> Estimated Max. <br /> Concentration (Ng/1)I�1 1.38 4.68 34.21 21.77 <br /> Human Health Criteria 0.41 0.56 2.1 1.8 <br /> Mean of Reported <br /> Background (Ng/1)(3) <0.3 <0.2 < 0.2 <0.3 <br /> Needed Dilution Credit(4) 8.9 11.5 16.9 13.3 <br /> (1)See USEPA TSD Table 5-2. <br /> (2) For 10 samples or more, the estimated maximum concentration is the mean plus 3.3 standard <br /> deviations. For less than 10 samples, the estimated maximum concentration is the maximum <br /> observed concentration times the factor from Table 5-2. <br /> (3) MDL utilized for receiving water detection limit. <br /> (4) Dilution = (Est. max. conc.- HH Criteria)/(HH criteria- background conc.) <br />