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NSF International <br /> Standard 40 - Individual Wastewater Treatment Plants <br /> Week Beginning: January 17, 1993 Plant Code: 41108 <br /> Weeks Into Test.• 13 <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 /> Dissolved aeration 3.7 2.0 2.0 3.9 1.7 <br /> Oxygen chamber <br /> (mg/L) <br /> effluent 4.2 5.0 5.0 4.2 4.7 <br /> influent 12 12 12 12 12 <br /> Temperature aeration 14 14 14 13 13 <br /> (°C) chamber <br /> effluent 6 4 4 13 10 <br /> influent 7.5 7.5 7.6 7.6 7.5 <br /> pH aeration 7.6 7.8 7.6 7.7 7.5 <br /> chamber <br /> effluent (4) 7.9 7.8 7.7 7.5 ✓ <br /> Biochemical influent (4) 130 160 150 130 <br /> Oxygen Demand <br /> (M91L) effluent (4) <5 <5 <5 <5 <br /> influent (4) 140 180 130 160 <br /> Suspended <br /> Solids aeration (4) <5 <5 <5 <5 <br /> (�L) chamber <br /> effluent (4) <5 <5 <5 <5 <br /> influent (4) 130 160 110 140 <br /> Volatile <br /> Suspended aeration (4) <5 <5 <5 <5 <br /> Solids chamber <br /> (m91L) effluent (4) <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: No final effluent samples on Monday, 1118 due to a problem <br /> (2) Malfunction of system under test with the sampler. <br /> (3) Weather problem -J <br /> (4)Other <br /> TGS/3-92 <br /> C_13 <br />