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NSF International <br /> Standard 40 - lndlvldual Wastewater Treatment Plants <br /> Stress Test Evaluatlon <br /> Week Beginning: Feburary 14, 1993 Plant Code: #108 <br /> Weeks into Test. 17 <br /> Sunday Monday Tuesday Wednesday Thursday Friday Saturday <br /> Dosed Volume (gallons) 405 405 405 405 321 405 450 <br /> Dissolved aeration 1.5 <br /> Oxygen chamber <br /> 09/L) effluent 4.6 <br /> influent 12 <br /> Temperature aeration 13 <br /> (°C) chamber <br /> effluent 12 <br /> influent 7.5 <br /> pH aeration 7.7 <br /> chamber <br /> effluent 7.8 7.9 7.9 J <br /> Biochemical influent 160 150 210 180 <br /> Oxygen Demand <br /> (mg/L) effluent <5 <5 <5 5 <br /> influent 190 170 190 160 <br /> Suspended <br /> Solids aeration 6 <5 11 <br /> (mg/L) chamber <br /> effluent <5 5 <5 <5 <br /> influent 170 140 160 140 <br /> Volatile <br /> Suspended aeration <5 <5 8 <br /> Solids chamber <br /> (m9/L) effluent <5 <5 <5 <5 <br /> 45 Minute <br /> Settleable aeration <5 <br /> Solids chamber <br /> (mL/L) <br /> (1) Site problem Notes: Wash day stress started on 2115. 3 loads added each day <br /> (2) Malfunction of system under test on Monday, Wednesday, and Friday. <br /> (3) Weather problem -� <br /> (4) Other <br /> TGS/3-92 <br /> C-17 <br />