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East Roseland QAPP <br /> Section A <br /> Revision No . _ <br /> Date : 11 / 16/04 <br /> Page 8 of 22 <br /> A6 . Project/Task Description <br /> A6 . 1 Purpose of This Proiect <br /> This plan is prepared as a requirement of DEP Contract No . G0061 , Attachments <br /> A and G (a Section 319 ( h ) Grant Contract ) . The water quality monitoring <br /> program will evaluate the pollution removal effectiveness of the proposed <br /> stormwater detention lake . When the stormwater system is constructed , lake <br /> influent water quality samples will be taken and compared to lake effluent water <br /> quality samples . From this data , the pollutant removal effectiveness of the <br /> constructed stormwater system may be determined . <br /> A6 . 2 Measurements and Analytical Method to be Followed <br /> Measurement to be Made Analytical Method <br /> 1 . Specific Conductance — EPA 120 . 1 ( Field Analyses ) <br /> 2 . pH -- EPA 150 . 1 ( Field Analyses ) <br /> Laboratory Analyses : <br /> 1 . Total Kjeldahl Nitrogen — EPA 351 . 2 <br /> 2 , Nitrate- N , Nitrite- N — EPA 353 . 2 and/or 300 . 0 <br /> 3 . Ammonia- N — EPA 350 . 1 <br /> 4 , Total Phosphorus — EPA 365 . 1 <br /> 5 . Orthophosphorus — EPA 365 . 1 <br /> 6 , Biological Oxygen Demand ( BOD ) — EPA 405 . 1 <br /> 7 , Total Suspended Solids (TSS ) — EPA 160 . 2 <br /> 8 . Oil and Grease — EPA 1664 <br /> 9 . Hardness — SM2340B <br /> 10 . Zinc — EPA 200 . 7 , 200 . 8 , 6010 , or 6020 <br />