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NSF International <br /> Standard 40 - Individual Wastewater Treatrnent Plants <br /> - Plant Code: <br /> Week Beginning: November 22 -1692 <br /> Weeks Into Test. —5 <br /> Weekend Dosing: Sunday- 450 all°ns <br /> Saturday- 450 gallons <br /> Monday - Tuesday <br /> Wednesday Thursday Friday <br /> Oso 450 450 450 450 <br /> Dosed Volume (gallons) 2.4 2.0 <br /> Dissolved aeration 1.8 <br /> 2.0 2.3 <br /> Oxygen chamber 3.3 3.0 <br /> 2.9 4.0 <br /> (m9/L) effluent 2.2 15 <br /> 16 15 15 <br /> influent 75 <br /> aeration 18 18 <br /> 19 18 19 � <br /> Temperature chamber12 <br /> CC) effluent f 1 12 ' <br /> effluent f 3 <br /> 7.5 7.5 7.6 <br /> 7.5 7.6 . <br /> influent 7.7 <br /> aeration 7.5 <br /> 7.8 7.6 7.5 <br /> PH chamber 7.g ' <br /> 8.1 8.0 <br /> effluent 8.0160 T` 0 <br /> 110 170 160 <br /> influent <5 <br /> Biochemical <5 5 <br /> oxygen Demand 5 5 <br /> (rng/L) effluent 160 160 <br /> 200 160 160 <br /> influent 9 <br /> Suspended aeration <5 7 <5 <5 <br /> Solids chamber <5 <br /> effluent <5 <br /> 130 130 130 <br /> influent 160 140 <br /> Volatile <5 <5 6 <br /> aeration <5 5 <br /> Suspended chamber <5 <br /> Solids <5 <5 <br /> (MWL) effluent <5 <5 <br /> 45 Minute aeration <5 `5 <5 <br /> Settleable chamber <br /> Solids <br /> (MLIQ <br /> Notes: <br /> - (1) Site problem <br /> (2) Malfunction of system under test <br /> (3) Weather problem J <br /> (4)Other <br /> TGS13-92 <br /> C:5 <br />