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NSF International NSF International <br /> Standard 40-Residential Wastewater.Treatment Systems_ .�_- __ __ _. Standard 40-�Residential Wastewater.Treatment Systems <br /> .. - <br /> w i <br /> N Week Beginning: July L 200E Plant Effluent Plant Effluent <br /> Plant Code: NT-SDS Week Beginning: July 8,2001 Plant Code: NT-S05 <br /> -0 o <br /> - o Weeks Into Test: 7 Weeks Into Test: 8 <br /> � <br /> 0 — <br /> 0 <br /> Weekend Dosing: Sunday 476gallons Saturday 475 gallons Weekend Dosing: Sunday 474 gallons Saturday 473 gallons <br /> Monday Tuesday Wednesday Thursday Friday Monday Tuesday Wednesday Thursday Friday <br /> Dosed Volume(gallons) 476 477 477 478 477 Dosed Volume(gallons) 473 472 471 472 472 <br /> Dissolved aeration <br /> chamber Dissolved aeration <br /> Oxygen(mg/L) Oxygen(mg/L) chamber <br /> effluent effluent <br /> influent 18 19 16 16 influent 16 17 19 18 16 <br /> Temperature aeration Temperature c y p aeration <br /> (C) chamber (C) chamber <br /> o effluent 18 19 19 18 effluent 18 19 20 19 20 <br /> � influent 6.7 6.9 6.8 6.7 influent 6.8 7.0 7.0 6.8 2 <br /> 7.1 <br /> N pH aeration pH aeration <br /> CD chamber .. chamber. ., <br /> �-O .. ... .. ....... .. .. .. <br /> effluent 6.3 6.6 6.5 6.5 <br /> � Cr ' effluent 6.5 6.6 6.6 6.5 6.5 <br /> Carbonaceous Carbonaceous <br /> C_ <br /> m influent 500 150 310 120 Biochemical influent 390 310 170 2I0 180 <br /> Z3 -0 Biochemical <br /> o0 Oxygen Demand Oxygen Demand ' <br /> M C: (mg/L) effluent 2 <2 <2 <2 effluent 6 5 <br /> (D 0CD <br /> ( F� ) (mg/L) 4 <2 <2 <br /> 0 � influent 1600 510 620 520 <br /> o �• influent 320 450 9$ 460 1000 <br /> z Suspended aeration Suspended aeration <br /> n m Solids(mg/L) chamber Solids(mg/L) chamber <br /> effluent <2 3 3 4 <br /> influent effluent 5 16 2 3 3 <br /> Z Volatileinfluent <br /> aeration Volatile <br /> ? Suspended chamber Suspended aeration <br /> m Solids(mg/L) Solids(mg/L) chamber <br /> effluent effluent <br /> 45 Minute 45 Minute <br /> aeration aeration <br /> chamber <br /> Settleable Solids 5 4.9 4.6 4.8 Settleable Solids 4.8 4.4 4.3 4.3 5 <br /> (mL/L) <br /> (mUL) chamber <br /> (a)Site problem Notes: July 1,2001 -Canada Day Holiday(no testing) (a)Site problem Notes: <br /> (b)Malfunction of <br /> (b)Malfunction of <br /> system under test system under test <br /> (c)Weather problem (c)Weather problem <br /> > co (d)Other (d)Other <br /> cn <br /> N O <br /> 0 <br /> o M <br /> N 6] <br />