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NSF International <br /> Standard 40 • Individual Wastewater Treatment Plants <br /> Week Beginning: isn�31. 1Q93_ Plant Coda: 4108 <br /> Weeks Into Test: <br /> Weekend Dosing: Sunday -_ 450 oallons— Saturday• 450 aallon(s <br /> 4p n.. rxu <br /> Monday ueaday Wednesday Thursday Friday <br /> Dosed Volume (gallons) I 460 450 F, Y'>.: 440 *, 450 450 <br /> a,_ -s v. 0 <br /> Dissolved ;charniber <br /> IS 1.6 1.8 2.0 3.8 <br /> Oxygen { <br /> (mg/L) 4.0 7.1 3.1 3.7 4.6 <br /> 12 12 12 12 12 <br /> Temperature 13 13 14 14 /4 <br /> (°C) <br /> edNent 10 3 8 14 13 <br /> Influent 7.5 7.5 7.6 7.5 7.4 <br /> pH aeration 7.6 7.8 7.6 7.5 7.5 <br /> chamber <br /> Affluent 78 8.0 7.8 7.8 7.8 <br /> Biochemical Influent 160 170 160 160 160 <br /> Oxygen Demand <br /> (mg1L) a <5 <S <5 <5 <6 <br /> KuaEt <br /> influent 160 260 170 180 160 <br /> Suspended BBration <5 <6 6 <5 <5 <br /> Solids chamber <br /> effluent <5 <5 <5 <5 <5 <br /> influent 130 200 150 150 130 <br /> Volatile <br /> Suspended aeration <5 <5 <5 <5 <5 <br /> Solids chamber <br /> (m�Q effluent <5 <5 <$ <5 <5 <br /> 45 Minute <br /> Settleable aeration <5 <6 <5 <5 c5 <br /> Solids chamber <br /> (m LIQ <br /> (1) Site problem Nome; <br /> (2) Malfunction of system under sect <br /> (3) Wether problem <br /> (4) Otber <br /> TGS/3.92 <br /> . . . . . . .. . . . .. . . . . • . .. . --- • . . . ... .. . . • - - ----- -- -- - --- • -- - . .. .. . . . - •- - ---- - - - - - <br />