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1 <br />CITY OF STOC TON <br />DEPARTMENT OF MUNICIPAL UTILITIES <br />2500 Navy Drive a Stockton, CA 95206-1191 a 209/937-8750 a Fax 209/937-8708 <br />www.stocktongov.com <br />CERTIFIED MAIL <br />RETURN RECEIPT <br />June 1, 2004 <br />Peter Bernadicou <br />Unifirst Laundry <br />819 N Hunter <br />Stockton, Ca 95202 <br />ISSUANCE OF WASTEWATER DISCHARGE PERMIT <br />The wastewater permit for Unifirst Corporation Laundry at 819 N. Hunter St. Stockton, Ca. is being <br />reissued with changes to reflect a clarification in the limitations and analytical methods for total Oil <br />and Grease (O&G) and total recoverable petroleum hydrocarbons (TRPH). The permit is effective <br />May 26, 2004 through May 31, 2008. <br />The standard testing method for the measurement of total O&G is EPA 413.1 and the standard test <br />method for the measurement of trph is EPA418. 1. Other approved EPA 40 CFR part 136 test methods, <br />for O&G and TRPH, may be used so long as they give comparable results to the standard testing <br />method. <br />No wastewater shall be discharged with a total oil and grease concentration in excess of 200 mg/1. No <br />wastewater shall be discharged with a total recoverable petroleum hydrocarbon concentration in <br />excess of 100 mg/l. <br />We hope that this information clarifies the City of Stockton limits for total Oil and Grease and TRPH <br />and how they are determined. <br />In addition to your wastewater discharge permit the following documents are enclosed. <br />Wastewater Discharge Permit Conditions <br />Specific Wastewater Discharge Limitations <br />Stockton Municipal Code <br />QA/QC Guidance Manual <br />Resource Conservation Recovery Act (information) <br />City Council Revenue Resolution <br />40 CFR 136 <br />MARK J. MADISON <br />DIRECTOR OF MUNICIPAL UTILITIES <br />MJM:FT: Stockton <br />�All-Ameem y <br />A-utnifiM permit cover 5-04.doc ' 1it <br />1999 <br />