Performance standard nitrogen level 1 (PSN1 definition

Performance standard nitrogen level 1 (PSN1 means where total nitrogen levels achieve either:• An average annual concentration of 5 mg/L (parts per million (ppm)) total nitrogen in effluent sampled at the end-of-pipe of the advanced treatment unit; or• A 90% reduction in effluent total nitrogen concentration when compared to the influent total nitrogen concentration; or• An average annual concentration of 5 mg/L beneath any permitted on-site wastewater treatment and disposal system as verified by in-field monitoring provided that the design percolate concentration does not exceed 5 mg/L on an average annual basis.
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Performance standard nitrogen level 1 (PSN1 means where total nitrogen levels achieve either:• an average annual concentration of 5 mg/l (parts per million (ppm)) total nitrogen in effluent sampled at the end-of-pipe of the pretreatment unit; or• an average annual concentration of 5 mg/l beneath any permitted wastewater spray irrigation field as verified by monitoring in-field lysimeters, providing that the design percolate concentration does not exceed 5 mg/l on an average annual basis.Discharge limitations are to be expressed as a mass, based on average design flows (221 gallons per day per unit for residential systems).
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Performance standard nitrogen level 1 (PSN1 means where total nitrogen levels achieve either:
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More Definitions of Performance standard nitrogen level 1 (PSN1

Performance standard nitrogen level 1 (PSN1 means where total nitrogen levels achieve either:• an average annual concentration of 5 mg/l (parts per million (ppm)) total nitrogen in effluent sampled at the end-of-pipe of the pretreatment unit; or• an average annual concentration of 5 mg/l beneath any permitted wastewater spray irrigation field as verified by monitoring in-field lysimeters, providing that the design percolate concentration does not exceed 5 mg/l on an average annual basis. “Performance Standard Nitrogen level 2 (PSN2)” means where total nitrogen levels achieve either:• an average annual concentration of 10 mg/l (ppm) total nitrogen in effluent sampled at the end-of-pipe of the pretreatment unit; or• an average annual concentration of 10 mg/l beneath any permitted wastewater spray irrigation field as verified by monitoring in-field lysimeters, providing that the design percolate concentration does not exceed 10 mg/l on an average annual basis.
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Related to Performance standard nitrogen level 1 (PSN1

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