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kz--- <br /> �1TE OF CALIFORNIA-Environmental Prote�Agency PETE WILSON, Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION Of <br /> 3443 Routier Road, Suite A --- <br /> Sacramento, CA 95827-3098 <br /> PHONE: (916)255-3000 <br /> FAX: (916)255-3015 <br /> 7 July 1994 <br /> Mr. Curtis G. Fujii <br /> NORCAL Waste Systems <br /> Five Thornas Merlon Circle <br /> San Francisco, CA 94134 <br /> WESTERN PLACER WASTE MANAGEMENT AUTHORITY (WPWMA) - PROPOSED <br /> MATERIAL RECOVERY FACILITY (MRF), COMPOSTING OPERATIONS, PLACER COUNTY <br /> Your letter of 20 June 1994 and a phone call from Jack Gualco on 6 July 1994 posed several <br /> questions about our regulation of composting sites. Our response to each of these questions is listed <br /> below: <br /> 1. "We understand that, relative to the composting operation, the Regional Water Quality Control <br /> Board (RWQCB) may choose to either grant waste discharge requirements (WDR), or waive them. <br /> What must the Authority do to satisfy any waiver requirements?" <br /> In order for the Regional Board to waive WDRs, the project proponent must demonstrate that a <br /> discharge of waste will have no adverse effect on either surface or ground waters of the State and <br /> that the discharge is effectively regulated by local government or other state agencies. In addition, if <br /> wastes are discharged to surface waters, a federal "National Pollutant Discharge Elimination System" <br /> permit is required. <br /> With respect to ground water, the proponent of a compost project must demonstrate that the compost <br /> piles and related surface impoundments do not contain designated or hazardous wastes as described <br /> in Title 23, California Code of Regulations, Division 3, Chapter 15. If it can be demonstrated that <br /> no designated or hazardous wastes will be contained onsite, then a waiver of waste discharge <br /> requirements is possible. <br /> Any waiver of WDRs must be done by the Regional Board since the authority to waive WDRs for <br /> composting sites has not been delegated to Regional Board staff. <br /> 2. "Can the Authority discharge storm water that has contacted compost, or composting materials, to <br /> the waters o f the State" " <br /> If storm water leaves vour site and discharges to surface waters then an NPDES permit must be <br /> obtained. <br />