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ATTACHMENT I CONDITIONS FOR WAIVER OF WASTE DISCHARGE REQUIREMENTS AT RETAIL FERTILIZER FACILITIES The following management practices have been recommended by the California Fertilizer Association and the Regional Water Quality Control Board as methods to protect water quality at retail fertilizer facilities. The Regional Board waived waste discharge requirements for retail fertilizer facilities, conditioned on their compliance with these management practices . A Time Schedule for implementing these management practices is given in Section 2. If the time schedule and the Management Practices are not followed by an individual facility, Naste discharge requirements will be issued for that facility. 1. MANAGEMENT PRACTICES Office Buildinas 1 . Good housekeeping practices shall be implemented which will prevent contamination of groundwater, surface water, and rain runoff. _. If conditions are such that the office building and associated parking area are separated from the rest of the facility, signs should be posted indicating "Office Parking Only. " By restricting delivery, vendor ana application equipment -From these areas. the potential for accidental contamination will be eliminated. 3 . Roof and parking lot runoff should be controlled to the extent that they are prevented from intercepting potential contamination areas. Collection of this water will be necessary if contamination occurs. 4. Berming, rain gutters, and/or other control devices shall be used where necessary. B. Equipment Storage Area 1 . Good housekeeping practices and organizational practices shall be implemented which will prevent contamination of groundwater, surface water, and rain runoff. 2. Equipment. known or suspected of being in disrepair, shall not be stored in these areas unless completely empty of commercial grade fertilizer material . 3. Equipment that conta- ns visual evidence of overfilling, or visual evidence of exterior residues , shall be cleaned by rinsing in the field or at a properly designed wash facility prior to storing in this area.