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NSF International <br /> Standard 40 - Individual Wastewater Treatrnent Plants <br /> Week Beginning: October 25 1532 Plant Code: 41108 � <br /> Weeks Into Test: _ 1 <br /> Weekend Dosing: Sunday- 45�llons Saturday- 450 gallons <br /> Monday Tuesday Wednesday Thursday Friday <br /> Dosed Volume (gallons) 456 450 450 444 450 <br /> Dissolved aeration 1.1 1.3 1.3 3.1 2.5 <br /> Oxygen chamber <br /> (mg/L) effluent 4.0 3.9 3.5 2.7 2.5 <br /> influent 18 18 18 18 18 <br /> Temperature aeration 20 20 20 20 210 <br /> CC) chamber <br /> effluent 13 15 14 15 15 <br /> influent 7.5 7.5 7.5 7.5 7.4 <br /> pH aeration 7.6 76 7.6 7.6 7.5 <br /> chamber <br /> effluent 8.0 8.1 8.0 8.0 7! <br /> Biochemical influent 130 160 190 190 200 <br /> Oxygen Demand <5 <5 <5 <5 <5 <br /> (mg/L) effluent <br /> influent 180 730 200 210 200 <br /> Suspended aeration <5 <5 <5 <5 15 <br /> Solids chamber <br /> (m9/L) <5 <5 <5 <br /> effluent <5 <5 <br /> influent 160 160 180 180 170 <br /> Volatile <br /> Suspended aeration <5 <5 <5 <5 11 <br /> Solids chamber <br /> (0791L) effluent <5 <5 <5 <5 <5 <br /> 45 Minute <br /> Settleable aeration <5 <5 <5 <5 <5 <br /> Solids chamber <br /> (mUL) <br /> (1) Site problem Notes- <br /> (2) Malfunction of system under test <br /> (3) Weather problem <br /> (4) Other <br /> TGS/3-92 <br /> CA <br />