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1) 2) 3) 4) 5) 6) 7) 8) 9) 10) H) V:\.SBn_J««quin_Nonl JkSi«rt\ObrienT\S«n JoaqulnvStocklon Wwh RackSAtuilar 21 O«l OJ.dot Describe the site location, the topography, prevailing wind directions, and nearby industrial or populated areas. Provide information on the previous land use. Provide a site map that shows property lines, buildings, treatment or storage ponds, land application areas, and surface water drainage courses within 1,000 feet of the site. Do active or abandoned industrial, agricultural, domestic, or groundwater wells exist on the property or the wastewater disposal area(s)? If yes, provide a map showing their location(s). Include available data on the depth of groundwater and information on aquifers and aquitards identified beneath the property. Describe all site activities that generate wastewater. Describe any daily or seasonal variations in volume and the total discharged. Describe anticipated wastewater flow trends for the next ten years. Is flow anticipated to increase or decrease? Provide a list of chemicals that are used in the wash rack activities, include all chemicals used in cleaning. Describe any chemical additives that are added to the process water or wastewater to adjust hardness (water softening), prevent scaling, biofouling, or other undesirable tendency. Provide a description of the process supply wastewater; at a minimum, the process supply water should be characterized for the following analytical parameters: nitrate, total Kjeldahl nitrogen, total dissolved solids, and pH. Provide a flow diagram of the wastewater generation and treatment system. Include a map showing the locations of all treatment equipment, clarifiers, sumps, or pump stations. Describe procedures to control contaminants in the wastewater streams and in the wastewater ponds. ADDK JNAL INFORMA TION REQUIREM^ z TS STOCKTON SANITARY WASHRACK STOCKTON, SAN JOAQUIN COUNTY Describe the quality of the wastewater. The description should include maximum and average concentrations of BOD, suspended matter, nitrate and total Kjeldahl nitrogen, total dissolved solids (fixed and volatile), and pH. Describe seasonal variations. If analytical data is not available, estimates of wastewater quality can be provided with references. Describe the proposed wastewater disposal system. Clearly show that this method of disposal will not impact the quality of the underlying groundwater. Allowing for two feet of freeboard, what is the approximate storage capacity of the wastewater pond? Provide a water balance that evaluates the containment structures ability to provide If surface impoundments will be used to store wastewater, provide diagrams and a description of the planned impoundment, location, size and depth, construction materials, inlet and outlets, depth to groundwater below the bottom of the pond, and existing or planned groundwater monitoring wells. If wastewater ponds exist on the site, have they ever overflowed? If stormwater ponds exist, have they ever overflowed? Describe the storage/disposal of all stormwater and domestic wastewater. If septic systems are used for disposal of domestic wastewater, include descriptions of the septic systems and the maintenance of the systems. The descriptions shall include location, flow rate, size, and construction materials, as well as leachfield size and location. Describe opportunities to reduce, reuse, or recycle wastewater. Also describe the effect on wastewater quality of recycling activities.