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NSF International <br /> Standard 40 - Individual Wastewater Treatment Plants <br /> Plant Code: 41108 <br /> Week Beginning: December 7 ]992 <br /> Weeks Into Test: �� <br /> 450 aoarr� Saturday" 332 allpns <br /> Weekend Dosing: Sunday-_� <br /> Monday Tuesday <br /> Wednesday Thursday Friday <br /> q�s6r 450 <br /> 450 450 343 <br /> Dosed Volume (gallons) <br /> Dissolved aeration 3.5 2.0 <br /> 2.3 3.5 1.2 <br /> Oxygen chamber 4 5 3.3 <br /> 3.8 3.7 <br /> (mg/L) effluent 3.0 i <br /> 15 ]5 ]5 <br /> 15 15 � <br /> influent 16 <br /> aeration 17 <br /> 17 17 1s <br /> Temperature <br /> CC) chamber 11 7 16 15 <br /> effluent 11 <br /> 7.4 7.6 <br /> 7.4 7.6 7.4 - <br /> influent <br /> aeration 7.6 7 7.7 7.7 7.6 <br /> PH chamber <br /> �9 7.9 79 <br /> effluent 7 g 180 <br /> 180 170 Iso <br /> influent 1 <5 <br /> Biochemical c5 <5 <br /> oxygen Demand 5 <5 <br /> P910 influent <br /> 270 170 150 150 <br /> ]80 <br /> influent <5 <br /> Suspended11 <5 <br /> aeration 18 21 <br /> Solids chamber <5 <br /> (mg/L) <5 <5 <5 <br /> effluent `5 <br /> 140 130 130 <br /> influent 150 220 <br /> Volatile7 `5 <5 <br /> aeration 12 15 <br /> Suspended chamber `5 <br /> Solids <5 <5 <br /> (m9/L) effluent <5 `$ <br /> 45 Minute <5 <5 <5 <br /> Settleable aeration <5 <br /> Solids chamber <br /> (mLJL) heat 10� <br /> Notes: Cap placed on effluent sample cross on 12/10 to reduce <br /> j_- (1) Site problem from temperature observation location. <br /> (2) Malfunction of system under test <br /> (3) Weather problem <br /> (4)Other <br /> TGS/3-92 <br /> C7 <br />