Laserfiche WebLink
WASTE DISCHARGE REQUIREMENTS -5- <br /> SIMPSON INVESTMENT COMPANY <br /> AND SIMPSON PAPER COMPANY <br /> RIPON MILL <br /> SAN JOAQUIN COUNTY <br /> B. Effluent Limitations: <br /> 1. The discharge of effluent from ASB No. 2 in excess of the following, is <br /> prohibited: <br /> 30-day Daily <br /> Constituent Units Average Maximum <br /> TDS mg/1 1100 2112 <br /> 2. The 30-day average dry weather discharge shall not exceed 30 million <br /> gallons. <br /> 3. The maximum daily discharge shall not exceed 2 million gallons. <br /> C. Discharge Specifications: <br /> 1. Objectionable odors originating at this facility shall not be perceivable <br /> beyond the limits of the property boundaries. <br /> 2. As a means of discerning compliance with Discharge Specification No. 1, <br /> the dissolved oxygen content in the upper zone (1 foot) of wastewater in <br /> ASB No. 2, Dry Pond Nos. 1, 2, 3, and 4, and the Sludge Pond shall not <br /> be less than 1.0 mg/l. <br /> 3. The treatment facilities shall be designed, constructed, operated, and <br /> maintained to prevent inundation or washout due to floods with a 100-year <br /> return frequency. <br /> 4. There shall be no standing water in the percolation fields 24 hours after <br /> wastewater is applied. <br /> 5. Ponds shall be managed to prevent breeding of mosquitoes. In particular, <br /> a. An erosion control program should assure that small coves and <br /> irregularities are not created around the perimeter of the water <br /> surface. <br /> b. Weeds shall be minimized through control of water depth, <br /> harvesting, or herbicides. <br /> C. Dead algae, vegetation, and debris shall not accumulate on the water <br /> surface. <br />