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Ind ,.� �_• <br /> NSF International NSF International <br /> -n o .._s �^ `;_� Standard 40-Residential Wastewater,Treatment.Systems. _ _ _�.__ Standard 40-Residential Wastewater Treatment Systems- <br /> Plant Effluent Plant Effluent <br /> Week Beginning: August 26,2001 Plant Code: NT-S05 Week Beginning: <br /> September 2 2001 Plant Code: NT-SOS <br /> N <br /> a O <br /> o Weeks into Test: 15 Weeks Into Test: 16 <br /> o <br /> -1rn — <br /> 0 <br /> Weekend Dosing: Sunday' 473 gallons Saturday 483 gallons Weekend Dosing: Sunday 479 gallons Saturday -454 gallons <br /> Monday Tuesday Wednesday Thursday Friday Monday Tuesday Wednesday Thursday Friday <br /> Dosed Volume(gallons) 471 470 495 491 487 Dosed Volume(gallons) 474 470 466 462 458 <br /> Dissolved aeration aeration <br /> Dissolved <br /> Ox m chamber chamber <br /> Oxygen(mg/L)) effluent Oxygen(mg/L) <br /> effluent <br /> influent t9 18 18 18 18 influent 1$ 17 18 18 <br /> o =r Temperature aeration Temperature <br /> C: — p aeration <br /> (C) chamber (C) chamber <br /> rD m o effluent 18 19 18 20 18 effluent 18 20 18 19 <br /> influent 6.8 6.9 7.0 b.9 7.1 influent 7.0 7.1 7.0 7.0 <br /> y pH aeration <br /> H aeration <br /> CD _ _ chamber p _ _ chamber <br />-....C)- 0 ,. ...� .... .. ... .. _ _ _ . _ <br /> effluent 6.3 6.3 6.3 6.2 6.2 <br /> Carbonaceous effluent 6.5 6.4 6.4 <br /> influent 74 100 120 85 82 Carbonaceous 6.2 <br /> Biochemical influent L 10 110 110 120 <br /> Biochemical <br /> � Oxygen Demand Oxygen Demand <br /> m M (mg/L} effluent 4 3 <2 <2 <2 {mg/L) effluent <2 <2 2 <2 <br /> a CL m <br /> o influent 140 130 420 270 280 influent <br /> 270 340 370 110 <br /> z 3 Suspended aeration Suspended aeration <br /> cn <br /> m Solids(mg/L) chamber Solids(mg/L) chamber <br /> m ° effluent 6 2 4 19 3 effluent 3 3 2 4 <br /> m 0 Volatile influent Volatile influent <br /> 0 aeration <br /> 5. 2) Suspended Suspended aeration <br /> chamber <br /> W Solids(mg/L) Solids(mg/L) chamber <br /> effluent effluent <br /> 45 Minute 45 Minute <br /> aeration aeration <br /> Settleable Solids chamber 3.1 <br /> 3.4 3.2 3.6 3.3 3.6 Settleable Solids 3.2 3.5 <br /> ( L) <br /> � (MUL) chamber 3.5 <br /> (a)Site problem Notes: (a)Site problem Notes: September 3,2001 -Labor Day(no testing) <br /> (b)Malfunction of (b)Malfunction of <br /> system under test system under test <br /> (c)Weather problem (c)Weather problem <br /> a m (d)Other (d)Other <br /> w <br /> N O <br /> O A <br /> N Q1 <br />