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NSF International NSF International <br /> m o Standard 40-Residential Wastewater Treatment Systems Standard 40-Residential Wastewater Treatment Systems <br /> Plant Effluent Plant Effluent <br /> CD <br /> � N <br /> o <br /> Week Beginning: October 7,2001 Plant Code:NT-S05 Week Beginning: October 14,2001 Plant Code:IVT-S05 <br /> Q <br /> rn <br /> Weeks Into Test: 21 Weeks Into Test: 22 <br /> Sun Mon Tue Wed Thur Fri Sat Sun Mon Tue Wed Thur Fri Sat <br /> Dosed Volume(gallons) 505 507 508 509 510 512 513 Dosed Volume(gallons) 308.4 0 0 - 0 0 0 0 <br /> Dissolved aeration chamber aeration <br /> Dissolved <br /> Oxygen(mg/L) Oxygen(mg/L) chamber <br /> effluent effluent <br /> influent 17 15 15 15 influent 17 <br /> o � Temperature aeration Temperature aeration <br /> 5 (C) chamber (C) chamber <br /> effluent 16 16 15 16 effluent 15 <br /> X -1 influent 6.7 6.8 6.8 6.9 influent 6.6 <br /> ro pH aeration 11 aeration <br /> ro chamber p chamber <br /> a effluent 6.0 6.0 6.0 6.2 effluent 6.1 <br /> `�° Carbonaceous Carbonaceous <br /> m (-D influent 120 130 130 59 influent 83 <br /> Z) -0 Biochemical Biochemical <br /> na Oxygen Demand Oxygen Demand <br /> En <br /> n (mg/L) effluent 8 5 3 3 effluent 4 <br /> 3 co (mg/L) <br /> CL <br /> influent 240 150 110 91 <br /> g 5- influent 140 <br /> z * Suspended aeration Suspended aeration <br /> mSolids(mg/L.) chamber Solids(mg/L) chamber <br /> h o effluent 4 3 3 2 effluent 2 <br /> W Volatile influent Volatile influent <br /> o- m aeration aeration <br /> Suspended Suspended <br /> °—' <br /> Solids m /L chamber chamber <br /> ( g ) effluent Solids(mg/L) <br /> effluent <br /> 45 Minute 45 Minute <br /> aeration aeration <br /> Settleable Solids 3.9 2.8 3.5 2.5 3.1 Settleable Solids 2.5 <br /> (mom) chamber chamber <br /> (a)Site problem Notes: (a)Site problem Notes: Vacation Stress started on 10114. <br /> (b) Malfunction of (b)Malfunction of <br /> D system under test system under test <br /> n m <br /> { d) Other(c)Weather problem <br /> (c)Weather problem <br /> N (d)Other <br /> N O <br /> O A <br /> N 0) <br /> r /a <br />