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20 <br /> Treatment <br /> Soils <br /> • Soil used for dispersal must be able to absorb and treat effluent, appropriately <br /> Located, and sufficient in area. <br /> o Such soil is in limited supply in Orange County <br /> • Enhanced treatment or dispersal types can be used for lower-quality soils, but some <br /> soils are not usable at all <br /> • Soils suitable for septic are also often suitable for farming, so there is a tradeoff to <br /> consider <br /> Effluent Standards <br /> Standards Acronyms: Standards for Effluent Quality <br /> • DSE: Domestic <br /> Strength Effluent Septic Tank <br /> g Effluent I<------------ Advanced Pre-Treatment ---------->I <br /> standard <br /> • NSF/ANSI 40: IM3WIMIMIM <br /> National Sanitation BOD_5:350 mg/1 CBOD: 15 CBOD:10 <br /> Foundation/ TSS: 100 mg/1 TSS:15 T55:10 <br /> American National TKN: 100 mg/1 NH3:10 NH3: 10 <br /> Standards Institute 7to 15 x better than D5E <br /> • TS-I: Treatment <br /> Standard I <br /> • TS-II: Treatment Standards II <br /> • RCW: Reclaimed Water <br /> Wastewater Constituents of Concern Acronyms: <br /> • BOD-5, CBOD: Biological Oxygen Demand <br /> • NH3, TKN, TN: Nitrogen Compounds, Ammonia <br /> • TSS: Total Suspended Solids <br />