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NSF International <br /> Standard 40 - Individual Wastewater Treatment Plants <br /> r �JWeek Beginning: December 20; 1982 Plant Code: 4108 <br /> .Weeks Into Test: 8 - ri <br /> Weekend Dosing: Sunday- 450 gallons Saturday- 450 gallons--- ` <br /> 4 <br /> t i <br /> ..----- - - ---_,IVlonday__ Tuesday_—Wedffesday—�A._.Ttiu�sday �_ __ Friday <br /> Dosed Volume (gallons) 450 450 450 450 450 <br /> Dissolved , aeration .. 1.5 - 2.8 - -- -i.9. . . 1.5_ <br /> Oxygen chamber F <br /> (mg/L) effluent . 3.4— 3.5 2.4 - 4.7 <br /> .. t. <br /> influent i4 14 14 - 13 <br /> Temperature aeration 16— -16, - - W _16� - 16 <br /> (00chamber . <br /> y, effluent 12,. 11 9 ' 15 <br /> influent .7.5.. T.6 7.5 ti 7.4 + <br /> pH 4 . aeration _ 7.5 F 7 5, �, '� . 7.5• 7.6 <br /> chamber <br /> effluent: 8.0 ,� 7.9 8.0 8.0 <br /> Biochemical_ influent 200, 200• , 200 200. <br /> Oxygen Demand <br /> (m9/L) effluent ., 5.. n 5 `5 R 5+ , <br /> influent 190, 220 ' 220 <br /> 170 <br /> Suspended <br /> .aeration <5:. <5 , <br /> Solids 6 v -7 - <br /> (mg/L) chamber <br /> ... effluent 5 . <5 <5' <5 <br /> u influent 160 190 190 140 i <br /> Volatile - •. �� <br /> Suspended aeration <5-.,. 5 _ <5. „. _ <5 <br /> Solids chamber { <br /> .: <br /> P9/L) <br /> effluent ,. .. <5 ._.: <5 �. x . .. <5_.. <5 <br /> 45 Minute <br /> Settleable aeration <5 <5_ <5 <5 <br /> Solids chamber } <br /> (mUL) <br /> A <br /> (1) Site problem samples taken on Christmas day, 12/25....-- ­ . <br /> (2) Malfunction of system under test , <br /> (3) Weather problem <br /> (4)Other <br /> TGS/3-92 <br /> C-9 <br /> s <br /> .,.;�.,-x-.M:mr w-"r...;--rc'.•.w�---,-..,.pr- .:'.,-,--,�,-'--,.�.,.,p.- _ ..-.�.,. t*;- -"'R.. - _,�= - -:--'-xo.-.--rte->h,r---'-"---�"--q"--,----""----.-.- ,_ .r-.-R----:—,..�-..:-�... . <br />