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NSF International <br /> Standard 40 - Individual Wastewater Treatment Plants <br /> Week Beginning: Aril 18, 1993 -- - Plant Code: 41108 <br /> Weeks Into Test: 26 <br /> Weekend Dosing: Sunday- 450 gallons Saturday- 450 gallons <br /> Monday Tuesday Wednesday Thursday Friday <br /> Dosed Volume (gallons) 450 450 4`50 450 450 <br /> DissoNed aeration 1.7 1.5 1.8 1.8 1.6 <br /> Oxygen chamber <br /> OWL) effluent 3.0 2.5 2.6 2.4. 3.0 <br /> influent 12 12 12 12 13 <br /> Temperature aeration 17 17 17 17 18 <br /> (C) chamber <br /> effluent 12 13 10 17 17 <br /> influent 7.4 7.5 7.5 7.5 7.4 <br /> PH aeration 7.3 7.4 7.3 7.4 7.4 <br /> chamber <br /> effluent 7.7 7.6 7.7 7.8 7.8 <br /> Biochemical influent 190 140 140 150 140 <br /> Oxygen Demand <br /> P910 effluent <5 <5 <5 <5 <5 <br /> influent 190 190 170 180 190 <br /> Suspended <br /> aeration <br /> Solids chamber 7 14 12 6 8 <br /> (mg/L) <br /> effluent 6 5 6 6 8 <br /> influent 160 160 140 160 160 <br /> Volatile <br /> Suspended aeration <5 10 5 <5 <5 <br /> Solids chamber <br /> (M91L) effluent <5 <5 <5 <5 6 <br /> 45 Minute <br /> Settleable aeration <5 <5 <5 <5 <5 <br /> Solids chamber <br /> (MLIQ <br /> (1) Site problem Notes: <br /> (2) Malfunction of system under test <br /> (3)Weather problem <br /> (4)Other <br /> TGSP3-92 <br /> C:26 <br />