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I Orenco Systems Inc. March 2002 <br /> L AdvanTex AXI 0 Test Report <br /> `, 0.8 mg/L-N on the last day of testing). <br /> L 3.1.4 TSS <br /> The 7-day average effluent TSS concentrations remained at or below 20 mg/L during the <br /> i first 19 weeks of testing and then rose above that threshold and ranged between 15 and 25 <br /> mg/L for the balance of the test with occasional excursions above and below these limits <br /> (Figure 4). Reducing the flow to 400 gpd did not appear to have had an impact (either <br /> Lpositive or negative) on effluent TSS concentrations. <br /> L 40 Figure 4: Effluent TSS — 7 Day Averages <br /> ANSI UJ lt=45 mG/L <br /> 35 <br /> L Manifold <br /> S=stress test Replacetl <br /> 30 <br /> PlL7p51n0 Flow <br /> Repaclacetl Frequency 01400 U tl S <br /> 15 Increasetl to 400 OPtl 11 <br /> S <br /> L � 20 S <br /> { 15 <br /> L 10 S <br /> L 5 <br /> 0 <br /> 0 6 10 15 20 25 30 35 40 45 60 55 <br /> L ]pay Parlad <br /> The 7-day average effluent TSS concentrations always remained below the NSF/ANSI <br /> Standard 40 Protocol maximum of 45 mg/L. <br /> 6. <br /> The 30-day average effluent TSS concentrations exhibited a rising trend over the first 7 <br /> periods, after which it stabilized in the 15 to 25 mg/L range (Figure 5). Similar to the 7-day <br /> Laverage values, the 30-day NSF/ANSI Standard 40 limit of 30 mg/L was never exceeded. <br /> L <br /> L <br /> L <br /> L <br /> L <br /> NovaTec Consultants Inc. Page 17 of 38 <br /> L <br />