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34 <br /> Glossary of Terms — 2 of 2 <br /> 9. Primary Treatment: This initial stage of effluent constituents. A higher standard <br /> wastewater treatment includes separation provides higher quality effluent. <br /> of solids, fats and oils. For onsite systems 12. Domestic Strength Effluent (DSE): An <br /> this process occurs in a septic tank. Effluent Standard that is generally applied <br /> 10. Advanced Pre-Treatment: Additional to wastewater leaving a septic tank. <br /> stages of wastewater treatment which 13. Advanced Effluent Standards: The <br /> include biological decomposition, chemical following levels of effluent quality require <br /> conversions and other processes to remove Advanced Pre-Treatment, resulting in much <br /> organic load and suspended solids, and to better effluent quality than DSE: <br /> convert undesirable nitrogen compounds A. NSF / ANSI 40. <br /> to inert nitrogen gas. <br /> B. Treatment Standard I (TS-1) <br /> 11. Effluent Standard: A regulatory <br /> designation which sets maximum allowable C. Treatment Standard II (TS-II) <br /> concentrations of selected undesirable D. Reclaimed Water (RCW) <br />