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NSF International <br /> Standard 40 - Individual Wastewater Treatment Plants <br /> Week Beginning: April 25. 1993- _ Plant Code: 41108 <br /> Weeks into Test: 27 <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 5 1.6 1.5 0.6 1.3 <br /> Oxygen chamber <br /> (mg/L) <br /> effluent 2.0 3.3 2.7 2.3 2.0 <br /> influent 13 13 13 13 13 <br /> Temperature aeration 17 18 18 17 18 <br /> (OC) chamber <br /> effluent 18 8 13 15 14 <br /> influent 7.5 7.5 7.6 7.5 7.6 <br /> pH aeration <br /> chamber 7.4 7.4 T.4 7.5 7 6 <br /> effluent (1) 7.8 7.9 7.7 7.8 <br /> Biochemical influent 160 160 170 150 160 <br /> Oxygen Demand <br /> (mg/L) effluent (1) <5 <5 <5 <5 <br /> influent 190 170 180 190 190 <br /> Suspended <br /> Solids aeration (1) <5 12 5 14 <br /> (m9/L) chamber <br /> effluent (1) 8 7 6 <5 <br /> influent 160 140 150 160 160 <br /> Volatile <br /> Suspended aeration (1) <5 10 <5 10 <br /> Solids chamber <br /> (m9/0 effluent (1) 5 5 <5 <br /> c,5 <br /> 45 Minute <br /> Settleable aeration <5 <5 <5 <5 <5 <br /> Solids chamber <br /> (MLIL) <br /> (1) Site problem Notes: No aeration chamber or final effluent on 4/26 due to a <br /> (2) Malfunction of system under test problem with the sampler. <br /> (3) Weather problem <br /> (4) Other <br /> TGS/3-92 <br /> C-27 <br />