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NSF International <br /> Standard 40 --Individual Wastewater Treatment Plants <br /> Week Beginning. November 15-1992 <br /> Plant Code. 41108 <br /> Weeks Into Test. 4 <br /> Weekend Dosing. Sunday- 450 gallons Saturday- 450 gallons <br /> ------Monday-------Tuesday ----Wednesday-- --Thursday Friday— <br /> Dosed Volume (gallons) 4 <br /> 60 '1450 450 450 450 <br /> Y <br /> O <br /> ssolved 2.5 1.4 3.9 2.1 3.8 <br /> xygen chamber <br /> (m9/L) <br /> effluent 4.3 4.2 3.8 4.8 3.5 <br /> influent 16 116 16 16 16 <br /> Temperature aeration 18 17 17 17 <br /> (CC) chamber <br /> effluent 15 1 116 13 10 10 <br /> influent 7.4 .17.6 7.4 7.5 7.4 <br /> aeration <br /> pH 7.64 F.5 7.6 7.7 7.6 <br /> chamber & <br /> effluent 8.0 117.9 8.1 7.9 8.0 <br /> Biochemical influent 1201 120 4,50� 150 170 <br /> .1 1 <br /> Oxygen Demand <br /> (ingIL) effluent <5 to <5 <5 <br /> influent 150 1 1150 150 160 200 <br /> A <br /> Suspended <br /> aeration <br /> Solids chamber <5 <5 <5 5 <5 <br /> (M91L) <br /> effluent <5 <5 <5 <5 5 <br /> influent 130 130 130 130 170 <br /> Volatile <br /> Suspended aeration <5 'M. <5 <5 <5 <5 <br /> Solids <br /> chamber <br /> (M91L) effluent <5 I <5 <5 <5 5 <br /> 45 Minute <br /> Settleable aeration <5 <5 <br /> <5 <5 <5 <br /> Solids chamber <br /> (MLIL) <br /> Site problem Notes: <br /> (2) Malfunction of system under test <br /> (3) Weather problem I$ <br /> (4)Other <br /> Y <br /> TGS/3-92 <br /> c41 A <br />