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4� <br /> NSF International NSF <br /> International <br />_-n o Standard 40-Residential Wastewater.Treatment Systems—_ Standard 40-Residential Wastewater Treatment Systems <br /> v Plant Effluent Plan[Effluent n <br /> N <br /> o(D Week Beginning: September 23 2001 Plant Code:NT-S05 Week Beginning: September 30,2001 <br /> Plant Code:NT-S05 <br /> � o <br /> o Weeks Into Test: 19 Weeks Into Test: 20 <br /> Sun Mon Tue Wed Thur Fri Sat Sun on Tue Wed Thur Fri Sat <br /> Dosed Volume(gallons) 5 i 9 521 523 525 527 529 531 Dosed Volume(gallons) 533 535 537 500 501 0 300 <br /> Dissolved aeration aeration <br /> chamber Dissolved <br /> Oxygen(mg/L) effluent Oxygen(mg/L) chamber <br /> effluent <br /> g influent 17 influent IT 18 16 15 17 <br /> o Temperature aeration Temperature aeration <br /> (C) chamber (C) chamber <br /> m effluent 17 i effluent 16 19CD 0 17 I6 1 18 <br /> influent 7.4 influent 7.1 7.0 7.4 7.3 7.2 <br /> CD W aeration <br /> PH chamber pH aeration <br /> . ..- .. ... .. _. .. .:. ........ .,_ .. .. _.. _. <br /> -... <br /> CL <br /> chamber <br /> effluent <br /> .a. . . •4� effluent 6.3 6.4 b.5 6.5 6.6 <br /> CD Carbonaceous Carbonaceous <br /> Biochemical influent 51 Biochemical influent 60 57 71 83 100 <br /> o 0 Oxygen Demand <br /> Ox <br /> (mg/1) effluent 3 Oxygen Demand <br /> CD <br /> (mom-) effluent 3 2 3 3 3 <br /> Q' influent <br /> O 5• 150 influent 130 270 280 250 170 <br /> z g Suspended aeration <br /> Suspended aeration <br /> n o Solids(mg/L) chamber Solids(mg/L) <br /> m chamber <br /> m ° effluent 5 effluent 3 2 3 —3 -3 <br /> 3 a Volatile influent <br /> aeration Volatile influent <br /> FD' Suspended chamber Suspended aeration <br /> Solids(mg/L) effluent ( g ) — il:: <br /> chamber <br /> Solids m IL <br /> _ <br /> 45 Minute effluent <br /> 45 Minute <br /> aeration <br /> Settleable Solids 2.2. 3.4 2.8 1.3 1.8 4.8 Settleable Solids aeration <br /> (mUL) chamber (nom-) chamber 3.1 3.5 3.3 <br /> (a)Site problem Notes: Working Parent Stress completed on 9126. (a)Site problem Notes: Power/Equipment Failure Stress from <br /> (b)Malfunction of (b)Malfunction of 1014 to 10116. <br /> system under test system under test <br /> (c)Weather problem <br /> a CD (d)Other (c)Weather problem <br /> (d)Other <br /> Q O <br /> 4 4� <br /> N � <br />