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f� <br /> NSF International <br /> Standard 40 -.Individual Wastewater .Treatment Plants <br /> � ,�. _ Plant Code: T 08 <br /> Week Beginning: May 2, 1993 -- - . 4 <br /> Weeks into Testa 28 ' <br /> Weekend Dosing: Sunday- 450 gallons ;Saturday- 450_gallons <br /> x <br /> --- - - - ---Monday Tuesday Wednesday--�ltursday— Friday - <br /> Dosed Volume (gallons) 4504 450 450 450 450 <br /> Dissolved aeration <br /> Oxygen chamber 2.3 1.9 1.3 1.3 1.5 <br /> (M91L) effluent 3.4 1:2.3 .1.3 1.8 3.0 <br /> y influent 13 j 14 14 14 14 <br /> aeration <br /> Temperature 20 j 19 20 20 21 <br /> (CC) chamber II <br /> effluent 19 , 17 16 15 14 <br /> influent 7.4 7.4 7.5 7.4 7.4 <br /> �a <br /> PH aeration 74 ! 7.4 7.5 7.6 7.4 <br /> chamber b ' <br /> effluent 7:8 17.7 7.8 7.8 7.9 <br /> Biochemical influent 160 160 160 130 120 <br /> Oxygen Demand <br /> (m9/L1 effluent <5 <5 <5 <5 <5 <br /> influent 230 r 270 370 210 170 <br /> Suspended ; <br /> Solids aeration <5 5 8 <5 <5 <br /> (M91L) Chamber <br /> effluent 6 6 <5 6 6 <br /> influent 200 a <br /> 1230 270 150 140 <br /> Volatile <br /> Suspended chamber <5 R I <5 6 <5 <5 <br /> Solids ,. <br /> (MWL) effluent <5 <5 <5 <5 <5 <br /> 45 Minute Ej <br /> Settleable aeration <5 !' <5 <5 <5 <5 <br /> Solids chamber I <br /> (MLIL) <br /> -U --(1)_Site.problem _.. ----- ---Notes:-'4 <br /> (2) Malfunction of system under test <br /> (3)Weather problem E. <br /> (4)Other <br /> TGSf3-92 c; <br /> ?L .5q/ <br /> ': C-28 <br />