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k NSF International <br /> Standard 40 - hidividnal Wastewater Treatment Plants <br /> Week Beginning: January 3, 1993- _ Plant Code: 41108 <br /> Weeks Into Test: 11 <br /> Weekend Dosing: Sunday- 450 gallons Saturday- 450 gallons <br /> Monday Tuesday Wedrtestiay Thursday l=ridgy <br /> Dosed Volume (gallons) " ` 450 "" ` ` _.450' 450 "s '450 450 <br /> s <br /> Dissolved . ' aeration - ~-3.2 n. ; 42.0- 2 <br /> Oxygen chamber T ( } y t 0 , 1.6 i <br /> (mg/L) <br /> ` effluent -2,7 15.4 4.8 4.5 <br /> influent .12 '-- "12'- 712 _ -- 12 "� . e 12 <br /> aeration <br /> Temperature 14 R (1) j 15 = 15 14 <br /> (°C) chamber, <br /> s <br /> effluent _ i 1 . (1) 1-8' 7 10 I <br /> I <br /> �... .._. _ :. influent �. 74- - � .�TS ^ .. 74 ' _ _ "' 7.5 .�� 76 <br /> . - <br /> pH ., aeration 7 7 _ T 5 ;,7.8 <br /> B "w 7.T <br /> chamber. <br /> i <br /> effluent 7.9 8.0 ":8:1 """` 8.1 1 8.0 <br /> 'Biochemical' influent 160 80 - - 90 """100- 100 <br /> Oxygen Demand <br /> r (m9/L) effluent c5 .. <5 _ <5 x -e5 <5 ! <br /> 9 <br /> influent. 120 '" v 130 110- _._ _ -F 120 100 <br /> Suspended <br /> ti <br /> aeraon <br /> Solids <5. .. <5. .`<5 , c5 - fi ' <br /> (m91L) chamber :. # <br /> w effluent <5,.. �5 <5 <5 c5 <br /> - -• <br /> influent' 98— �5 :80.,.a 100 -_ w i 84 <br /> Volatile <br /> "Suspe � 'aeration "" ' ` <br /> Solid chamber <5 �5 <5 <5 4 y c5 <br /> , L <br /> effluent.. �, <5 : <5 ,<5 <5 # <5 <br /> i <br /> 45 Minute <br /> Settleable aeration <br /> Solids chamber c5 <5 <5 c5 - F _ <5 <br /> PUL) <br /> (1) Site problem Notes: No temperaurre or dissolved oxygen readings on-1/5 due to a ,- <br /> (2) Malfunction of system under test ' malfunction with the dissolved oxygen meter. <br /> (3) Weather problem - <br /> (4)Other <br /> TGS/3-92 <br /> 4 <br /> C=11 <br />