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<br /> C.2 Pretreatment devices or processes used for treating wastewater or <br /> sludge (check as many as appropriate) <br /> [] Air flotation <br /> [J Centrifuge <br /> [] Chlorination <br /> [] Chemical precipitation <br /> [J Cyclone <br /> [J Filtration <br /> (1 Flow Equalization <br /> [] Grease or oil separation, type <br /> [] Grease trap <br /> [1 Grit Removal <br /> [] Ion Exchange <br /> [1 Neutralization, pH correction <br /> [] Ozonation <br /> (] Reverse Osmosis <br /> (J Screen <br /> [1 Sedimentation <br /> [] Septic tank <br /> [] Solvent separation <br /> [] Sump <br /> [] Biological treatment, type <br /> [] Rainwater diversion or storage <br /> [] Other chemical treatment, type <br /> (] Other physical treatment, type <br /> (] Other, type <br /> (] No pretreatment provided <br /> C.3 If any wastewater analysis have been performed on the wastewater <br /> discharge(s) from your facilities, attach a copy of the most <br /> recent data to this application. Be sure to include the date of <br /> the analysis, name of laboratory performing the analysis, and <br /> location(s) from which sample(s) '....ere taken (attach sketches, <br /> plans, etc., as necessary). <br /> -11- <br />