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. '. <br />Additionally, all cleaning operations will be conducted on <br />a controlled concrete drainage area where all wastes produced <br />will be collected at a central point. They will then be stored <br />in above ground approved tankage prior to pretreatment by the <br />wastewater treatment system. This combination of handling small <br />quantities of the listed chemicals, when associated with the <br />cleaning and pretreatment controls, are all components of a <br />total facility design which should virtually eliminate all <br />potential for spillage and surface contamination at this site. <br />Finally, the wastewater treatment system, as proposed, will <br />treat final internal rinse waters and external ~~aash~vaters <br />produced by the cleaning operations at this site. This system <br />will consist of a primary collection system for collecting wash <br />down water on the cleaning rack, followed by equalization <br />tankage for the purposes of storage and equalization. The <br />equalization tanks will then be followed by a c;issolved air <br />floatation unit incorporating chernical feed to remove oils and <br />solids and implement pH adjustment prior to the proposed <br />controlled discharge into the City of LaPorte sanitary sewer <br />system. This facility will also incorporate the use of a heel <br />storage tank where product residuals remaining in the empty tank <br />containers will be collected prior to their disposal at an <br />approved off-site facility. <br />As these types of facilities are standard in design anu <br />have an efficient history of providing compliant operation with <br />current environmental regulations, we anticipate no adverse <br />consequences to the surrounding area or to the City of LaPorte's <br />wastewater treatment system upon start-up of this operation. <br />Should you have any questions or concerns regarding this <br />information, please do not hesitate to contact me at your <br />convenience. On behalf of Miller Transporters and myself, I <br />would again like to thank you for your assistance and time in <br />considering this proposal. <br />Sincerely, <br />~~~%~d.' <br />William C. <br />Attachment <br />~!i ~ , <br />McNutt <br />cc: W. Netherton, Miller Transporters <br />E. Gray, Gray Enterprises <br />