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NSF International NSF International <br /> m O Standard 40-Residential Wastewater Treatment Systems Standard 40-Residential Wastewater Treatment Systems <br /> 5' ;Plant Effluent Plant Effluent <br /> ns Week Beginning: May 20,2001 Plant Code: NT-S05 Week Beginning: May 27,2001 Plant Code: NT-S05 <br /> � o <br /> v <br /> o Weeks Into Test: 1 Weeks Into Test: 2 <br /> rn <br /> 0 <br /> Weekend Dosing: Sunday 493 gallons Saturday 546 gallons Weekend Dosing: Sunday 546 gallons Saturday 568 gallons <br /> Monday Tuesday Wednesday Thursday Friday Monday Tuesday Wednesday Thursday <br /> I <br /> Dosed Volume(gallons) 493 493 486 529 542 Dosed Volume(gallons) 546 555 529 555Dissolved aeration Dissolved aeration <br /> Oxygen(mg/L) chamber Oxygen(mglL) chamber <br /> effluent effluent <br /> influent 14 t6 15 15 influent 13 14 14 15cTemperature aeration Temperature aeration <br /> (C) chamber (C) chamber <br /> CD <br /> CD effluent 14 15 15 16 effluent 16 15 15 16 <br /> m influent 6.9 6.9 6.8 6.9 influent 6.9 6.8 7.0 7.0 7.0 <br /> CD <br /> m ? pH aeration aeration <br /> Q o chamber pH <br /> chamber <br /> . m effluent 7.0 7.2 7.1 7.2 effluent 7.1 7.1 7.1 7.1 7.0 <br /> Carbonaceous Carbonaceous <br /> influent 220 200 170 550 influent 180 130 230 180 240 <br /> a a Biochemical Biochemical <br /> En C Oxygen Demand Oxygen Demand <br /> CL (mg/L) effluent 8 10 12 25 (mom) effluent 13 8 5 7 6 <br /> g 5. influent 370 390 300 520 influent 400 250 440 280 310 <br /> C o Suspended aeration Suspended aeration <br /> -n Solids(mg/L) chamber Solids(mg/L.) chamber <br /> a <br /> cn effluent 3 6 2 2 effluent 3 3 4 2 2 <br /> Volatile influent influent <br /> Volatile aeration <br /> W Suspended Suspended <br /> /L <br /> Solids m chamber chamber <br /> ( g ) effluent Solids(mg/L) <br /> effluent <br /> 45 Minute 45 Minute <br /> Settleable Solids aeration 7.2 6.3 5.8 5.3 Settleable Solids aeration 4.6 4.9 4.3 4.7 5.8 <br /> (mL/L) chamber m1A chamber <br /> (a)Site problem Notes: May 21,2001 -Victoria Day Holiday(no testing) (a)Site problem Notes: <br /> (b)Malfunction of (b)Malfunction of <br /> w system under test system under test <br /> >m (c)Weather problem (c)Weather problem <br /> N (d)Other (d)Other <br /> NQ <br /> O - <br /> O A <br /> N O7 <br /> r ?+G <br />