Volume 13, Issue 1 - Ontario Onsite Wastewater Association
Volume 13, Issue 1 - Ontario Onsite Wastewater Association
Volume 13, Issue 1 - Ontario Onsite Wastewater Association
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30<br />
<strong>13</strong> th Annual <strong>Onsite</strong> <strong>Wastewater</strong> Conference & Exhibition<br />
… from page 29<br />
Table 4 Summary of draft NSF Standard 350 effluent criteria for individual classifications:<br />
Parameter<br />
Overall Test<br />
Average<br />
Class R Class C<br />
Single Sample<br />
Maximum<br />
Overall Test<br />
Average<br />
Single Sample<br />
Maximum<br />
CBOD5 (mg/L) 10 25 10 25<br />
TSS (mg/L) 10 30 10 30<br />
Turbidity (NTU) 5 10 2 5<br />
E. coli 2<br />
(MPN/100 mL)<br />
14 240 2.2 200<br />
pH (SU) 6.0 – 9.0 NA 1 6.0 – 9.0 NA<br />
Storage vessel<br />
disinfection<br />
(mg/L) 3<br />
≥ 0.5 –<br />
≤ 2.5<br />
NA<br />
≥ 0.5 –<br />
≤ 2.5<br />
Color MR 4 NA MR NA<br />
Odor Non-offensive NA Non-offensive NA<br />
Oily film<br />
and foam<br />
Non-detectable Non-detectable Non-detectable Non-detectable<br />
Energy<br />
consumption<br />
MR NA MR NA<br />
1 NA: not applicable.<br />
2 Calculated as geometric mean<br />
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NA<br />
3 As chlorine. Other disinfectants can<br />
be used.<br />
4 MR: Measured and reported only.<br />
Table 5 Summary of draft NSF Standard 350-1 effluent criteria<br />
for individual classifications:<br />
Parameter Test Average<br />
CBOD5 (mg/L) 25 mg/L<br />
TSS (mg/L) 30 mg/L<br />
pH (SU) 6.0 – 9.0<br />
Color MR 1<br />
Odor Non-offensive<br />
Oily film and foam Non-detectable<br />
Energy consumption MR<br />
1 MR: Measured and reported only.<br />
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EZ-Enviro Supply &<br />
Service<br />
Supplier of:<br />
EZflow by Infiltrator<br />
Nayadic <strong>Wastewater</strong> Treatment Systems<br />
CSI Control Panels<br />
Infiltrator Septic Tanks and Accessories<br />
Septic Maintenance & Repair<br />
(P)519-726-6444 (F)519-726-6211<br />
ezenviro@gmail.com
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