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NSF International <br /> Standard 40 - Individual Wastewater Treatment Plants <br /> Week Beginning: January 24. 1993 - Plant Code. 4/108 <br /> Weeks Into Test: 14 <br /> Weekend Dosing: Sunday- 450_gallons Saturday- 450 gallons <br /> Monday Tuesday Wednesday Thursday Friday <br /> Dosed Volume (gallons) 450 450 450 450 450 <br /> Dissolved aeration 2.0 2.7 2.4 2.8 2.8 <br /> Oxygen chamber <br /> (M91L) effluent 4.8 4.6 4.2 4.0 4.3 <br /> influent 1 i i 1 11 11 11 <br /> Temperature aeration 14 14 13 13 13 <br /> f C) chamber <br /> effluent 8 13 11 10 8 <br /> influent 7.6 7.5 7.5 7.5 7.5 <br /> PH aeration 7.6 7.4 7.7 7.5 7.7 <br /> chamber <br /> effluent 8.0 7.5 7.9 7.6 7.8 <br /> Biochemical influent 130 130 -140 120 130 <br /> Oxygen Demand <br /> (m9/L) effluent <5 <5 <5 <5 <5 <br /> influent 170 160 150 170 130 <br /> Suspended <br /> Solids aeration 6 <5 <5 <5 <5 <br /> (mg/L) chamber <br /> effluent <5 <5 <5 <5 <5 <br /> influent 150 140 130 150 110 <br /> Volatile <br /> Suspended aeration <5 <5 <5 <5 <5 <br /> Solids chamber <br /> OWL) effluent <5 <5 <5 <5 <5 <br /> 45 Minute <br /> Settleable aeration <5 <5 <5 <5 <5 <br /> Solids chamber <br /> (m[/L) <br /> (1) Site problem Notes: <br /> (2) Malfunction of system under test <br /> (3) Weather problem <br /> (4)Other <br /> TGS/3-92 <br /> C-14 <br />