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<br />C.2 <br /> <br />C.3 <br /> <br />Pretreatment devices or processes used for treating wastewater or <br />sludge (check as many as appropriate) <br /> <br />[ 1 <br />[J <br />[ ] <br />[ ] <br />[ ] <br />[ ] <br />[ ] <br />[ ] <br />[ ] <br />[ ] <br />[] <br />[ ] <br />[ ] <br />[ ] <br />[ ] <br />[ ] <br />[ ] <br />[ ] <br />[ ] <br />[ ] <br />[ ] <br />[ ] <br />[ ] <br />[ ] <br />[ ] <br /> <br />Air flotation <br />Centrifuge <br />Chlorination <br />Chemical precipitation <br />Cyclone <br />Filtration <br />Flow Equalization <br />Grease or oil separation, type <br />Grease trap <br />Grit Removal <br />Ion Exchange <br />Neutralization, pH correction <br />Ozonation <br />Reverse Osmosis <br />Screen <br />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 /> <br />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) were taken (attach sketches, <br />plans, etc., as necessary). <br /> <br />-11- <br />