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NSF International NSF International <br /> 0Standard 40-Residential Wastewater Treatment Systems Standard 40-Residential Wastewater Treatment Systems <br /> Plant Effluent Plant Effluent <br /> Week Beginning: November 4,2001 Plant Code: NT-S05 Week Beginning: November 11 2001 <br /> CD N g g Plant Code: NT-S05 <br /> o Weeks Into Test: 25 Weeks Into Test: 26 <br /> rn <br /> 0 <br /> Weekend Dosing: Sunday 499 gallons Saturday 496 gallons Weekend Dosing: Sunday 495 gallons Saturday 490 gallons <br /> Monday Tuesday Wednesday Thursday Friday Monday Tuesday Wednesday Thursday Friday <br /> Dosed Volume(gallons) 499 499 499 498 497 Dosed Volume(gallons) 493 492 49l 490 492 <br /> Dissolved aeration aeration <br /> Oxygen m /L) chamber <br /> Dissolved chamber <br /> yg ( g effluent Oxygen(mg/L) <br /> effluent <br /> influent 14 13 13 15 l3 influent 14 14 14 13 <br /> o Temperature aeration Temperature aeration <br /> (C) chamber (C) chamber <br /> m effluent 11 11 12 12 12 effluent 12 12 13 12 <br /> 0 <br /> X7 influent 6.6 6.6 6.7 6.6 6.8 influent 6.7 6.6 6.5 6.6 <br /> CDwaeration aeration <br /> � <br /> pD chamber pH chamber <br /> OL o effluent 6.4 6.3 6.2 6.3 6.3 effluent 6.1 5.1 6.2 6.5 <br /> Carbonaceous Carbonaceous <br /> (D m influent 146 131 113 131 73 Biochemical influent 130 113 82 61 <br /> Z) -0 Biochemical <br /> a a Oxygen Demand Oxygen Demand <br /> CD n (mg/L) effluent 8 4 3 2 3 (mom) effluent 3 2 <2 2 <br /> CD m <br /> o <br /> a influent 111 155 177 134 126 influent 160 121 124 98 <br /> z Suspended aeration Suspended aeration <br /> m o Solids(mg/L) chamber Solids(mg/L) chamber <br /> 5 o effluent 3 5 4 <2 2 effluent 10 <2 2 4 <br /> m , influent influent <br /> Volatile Volatile <br /> aeration <br /> o W Suspended aeration chamber Suspended chamber <br /> Solids(mg/L) Solids(mg/L) <br /> effluent effluent <br /> 45 Minute 45 Minute <br /> Settleable Solids aeration 3.8 3.5 3.9 3 3.5 Settleable Solids aeration <br /> chamber chamber 6.4 3.9 2.6 3.4 <br /> LUL)(a)Site problem Notes: (a)Site problem Notes: November 12,2001 -Rememberance Day(no testing) <br /> (b)Malfunction of (b)Malfunction of <br /> system under test system under test <br /> - (c)Weather problem (c)Weather problem <br /> D m( d)Other (d)Other <br /> ro O <br /> 0 — <br /> O A <br /> N 0) <br /> A H-M <br />