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NSF International NSF International <br /> n o Standard,40-Residential.Wastewater_Treatment Systems_. —. , .. _ Standard-40-Residential Wastewater Treattnerit-Systcins `- <br /> Plant Effluent Plant Effluent <br /> N Week Beginning: July 29,2001 Plant Code: NT-S05 Week Beginning: August S 2001 Plant Code: NT-SQ5 <br /> CD <br /> -0 o <br /> � O1 Weeks Into Test: I i <br /> o Weeks Into Test: 12 <br /> rn — <br /> 0 <br /> Weekend Dosing: Sunday 480 gallons Saturday D gallons Weekend Dosing: Sunday 315 gallons Saturday 488 gallons <br /> Monday Tuesday Wednesday Thursday Friday Monday Tuesdayl Wednesday Thursday Friday <br /> Dosed Volume(gallons) 480 481 482 167 167 Dosed Volume(gallons) 485 486 486 487 488 <br /> Dissolved aeration aeration <br /> chamber Dissolved <br /> Oxygen(mg/L) Oxygen(mg/L) chamber <br /> effluent effluent <br /> influent 18 18 1$ <br /> influent 18 17 18 18 <br /> Temperature aeration 'Temperature aeration <br /> (C) chamber (C) chamber <br /> m o effluent 18 14 18 effluent 18 19 t9 20 <br /> X ; influent 7.1 7.3 7.4 influent 7.1 7.2 7.5 7.5 <br /> Cn <br /> 1I aeration p aeration <br /> m :3p chamber H .chamber. <br /> Cl o _. ... <br /> g Q effluent 6.7 6.8 6.8 effluent 6.5 6.6 6.5 6.5 <br /> m Carbonaceous <br /> Carbonaceous <br /> influent 160 170 170 <br /> Biochemical Biochemical. <br /> influent 90 270 I60 40 <br /> ZIa Oxygen Demand Oxygen Demand <br /> Zn C: <br /> (mg/L} effluent <2 <2 Q (mP�L) effluent 3 4 4 g <br /> CL <br /> 0 influent 180 100 86 <br /> 0 5" influent 110 100 150 100 - <br /> Z; :E Suspended aeration Suspended aeration <br /> n o Solids(mg1L) chamber Solids(mg/L) chamber <br /> CD <br /> co effluent 5 2 2 <2 <br /> O effluent 3 2 <2 <br /> =3 w Volatile influent influent <br /> aeration Volatile <br /> aeration <br /> Suspended chamber Suspended chamber <br /> Solids(mg/L) Solids(mg/L) <br /> effluent effluent <br /> 45 Minute 45 Minute <br /> aeration Settleable Solids aeration <br /> Settleable Solids chamber 3.1 2.9 3.4 chamber 4"4 4.4 2,6 2.7 <br /> (mUL) (MUL) <br /> (a)Site problem Notes: 08/02 to 08/05-Electrical problems with test site. Low (a)Site problem Notes: August 6,2001 -Civic Holiday(no testing) <br /> (b)Malfunction of to no dosage on these dates. No sample was taken. (b)Malfunction of <br /> system under test Regular dosage resumed 08/05 mid day. system under test <br /> (c)Weather problem (c)Weather problem <br /> v m (d)Other (d)Other <br /> N O <br /> O <br /> O ? <br /> N � <br />