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East Roseland QAPP <br /> Section B <br /> Revision No . _ <br /> Date : 11 / 16/04 <br /> Page 14 of 22 <br /> Group B — DATA GENERATION AND ACQUISITION <br /> 131 . Sampling Process Design ( Experimental Design ) <br /> Post-construction stormwater samples will be taken . For each sampling event , <br /> the samples will be tested for the following parameters : <br /> Field Measurements : <br /> 1 . Specific Conductance <br /> 2 . pH <br /> Laboratory Analyses : <br /> 1 . Total Kjeldahl Nitrogen <br /> 2 , Nitrate - N , Nitrite- N <br /> 3 , Ammonia- N <br /> 4 , Total Phosphorus <br /> 5 , Orthophosphorus <br /> 6 , Biological Oxygen Demand ( BOD ) <br /> 7 . Total Suspended Solids (TSS ) <br /> 8 . Oil and Grease <br /> 9 . Hardness <br /> 10 , Zinc <br /> 11 , Copper <br /> 12 . Cadmium <br /> 13 , Chromium <br /> The samples will be composite sampies taken by automatic stormwater samplers <br /> during or immediately after rainfall events . An automatic sampler will be installed <br /> near the stormwater lake inlet pipe and the other will be installed near the <br /> stormwater lake ' s overflow weir. Each automatic sampler will be activated based <br /> on a rise in water depth in the lake . Once activated , the samplers will take flow- <br />