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TABLE 7 REASOINy1BLE POTENTIAL ANALYSIS FOR#MONIA <br /> Effluent data collected from January1998 through December 2002 <br /> Effluent Receiving Water <br /> ammonia data ammonia data <br /> Time Past 5 years 2002 <br /> Detection Limit 0.1 mg/L 0.01 mg/L <br /> Count 516 28 <br /> Concentrations (NH3-N) <br /> Minimum, mg/I 0.0 0.01 <br /> Maximum, mg/1 42.8 1.4 <br /> Mean, mg/I 17.7 0.2 <br /> Stand. Deviation, mg/l 7.4 0.3 <br /> CV 0.42 1.3 <br /> RP factor 99% 1.8 4.5 <br /> acute chronic acute chronic <br /> Dilution Ratio 1 4 1 1 <br /> RWC, mg/l 77.0 20.3 6.1 6.1 <br /> Temperature max, C 25.7(3) 25.7 (3) <br /> pH max 8 (1) 9.1 (3) 9.3 (2) 9.1 (3) <br /> Criteria <br /> CMC, mg/l 5.6 0.58 <br /> CCC, mg/I 0.21 0.21 <br /> Reasonable Potential yes yes yes yes <br /> Notes: <br /> CV Coefficient of Variation =standard deviation/mean <br /> RP factor 99% Reasonable Potential Multiplying Factors: 99% Confidence Level and 99% Probability Basis <br /> [Reference: EPA Technical Support Document, Table 3-1] <br /> RWC Receiving water concentration using mass balance equation = <br /> ((max effluent conc.x RP factor)+(dilution ratio-1)x upstream conc.)/dilution ratio <br /> [Reference: EPA Technical Support Document, Section 3.3.2 and Box 3-2] <br /> CMC Criteria Maximum Concentration <br /> CCC Criteria Continuous Concentration <br /> (1) Maximum permitted effluent concentration <br /> (2) Maximum receiving water pH at R-1 (See Table 4) <br /> (3) Maximum monthly average pH and temperature at Mossdale Landing DW R monitoring station <br />