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PART I <br />Page 4 of 19 <br />C. FTX7INC7TFS <br />- When the most sensitive analytical method which oc~lies with Part <br />I.F.2. of the permit has a detection limit greater than or equal to <br />the permit limit, the permittee shall report "less than the <br />detectable limit," as appxoFsiate. Suds reports shall not M <br />considered as violations of the permit limit. <br />The present lowest method detection limits for specific parameters <br />(which have limitations which are, in score cases, less than or equal <br />to the detection limit) are as follows: <br />Total Residual Chlorine 0.05 m3/1 <br />Total Recoverable C~ttitm 0.0003 mg/1 <br />Total Recoverable Copper 0.005 m3/1 <br />Total Recoverable Iead 0.005 m3/1 <br />Total Mercuzy 0.00025 ag/1 <br />Total Re~verable Nickel 0.05 m3/1 <br />Total Recoverable Silver 0.0002 mg/1 <br />Total Recoverable Zinc 0.05 mg/1 <br />The present lowest method detection limits for the dissolved and also <br />potentially dissolved metal parameters are the same as indicated <br />above foz the total recoverable parameters. <br />a~/ - Fecal wliform bacteria average oonoentrations shall be determined by <br />~~ <br />tha geometric mean of all samples collected during a thirty (30) <br />consecutive day period. ~e 7 day average shall be determined by the <br />geometric mean of all samples taken dicing a seven (7) day ponied. <br />nJ -'the potentially dissolved metal fractirn is defined in Zhe Basic <br />as: that portion of a oorstituent ~~~*+~ from the filtrate of a <br />water and suspended sediment sample that was first treated with <br />nitric acid to a pH of 2 or less and let stand for 8 to 96 hours <br />j prior to sample filtration using a 0.4 or 0.45-tA'I membrane Filter. <br />;~ . <br />X!' Note the "potentially dissolved" met21oc1 carusot be used where nitric <br />r'<, acid will interfere with the analytical procedure used far the <br />constituent ,,,Pat,,,~,~. <br />o/ This effluent limit is effective during periods of precipitation less <br />than or equal to the l0yrear, 24-hour event for this facility. The <br />permittee is subject to burden of proof requiremnts as described in <br />the permit <br />P/- This effluent limit is the ,M,Y;,A,m value for this parameter and this <br />value shall not to be exceeded during the zeporting period. <br />q/ This effluent limit is effective during periods oP precipitation <br />greater than or equal to the 10-year, 24-hour event for this <br />facility. The permittee is subject to burden of proof requirenr~ts <br />as described in the permit <br />