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NSF International <br /> Standard 40 - Individual Wastewater Treatment Plants <br /> Stress Test Evaluation <br /> Week Beginning: Feburary 28, 1993 Plant Code: 41108 <br /> Weeks Into Test. 19 <br /> Sunday Monday Tuesday Wednesday Thursday Friday Saturday <br /> Dosed Volume (gallons) 416 416 416 394 450 444 450 <br /> Dissolved aeration 1.3 2.1 <br /> Oxygen chamber <br /> (mg/L) <br /> effluent 4.6 4.8 <br /> influent 12 11 <br /> Temperature aeration 14 14 <br /> CC) chamber <br /> effluent 7 6 <br /> influent 7.5 7.5 <br /> pH aeration 7.5 7.5 <br /> chamber <br /> effluent 7.8 7.8 8.0 7.6 <br /> Biochemical inffuent 200 210 170 170 <br /> Oxygen Demand <br /> (mg/L) effluent <5 <5 <5 <5 <br /> influent 190 190 160 190 <br /> Suspended <br /> Solids aeration 7 <5 <br /> (mg/L) chamber <br /> effluent 6 <5 6 <5 <br /> influent 160 160 140 160 <br /> Volatile <br /> Suspended aeration <br /> Solids chamber <5 <5 <br /> ( L) effluent <5 <5 <5 <5 <br /> 45 Minute <br /> Settleable aeration <5 <5 <br /> Solids chamber <br /> (mUL) <br /> (1) Site problem Notes: <br /> (2) Ma1fumction of system under test <br /> (3) Weather problem -� <br /> (4) Other <br /> TGS/3-92 <br /> C-19 <br />