Certifying Your Onsite Wastewater Treatment System
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The standard evaluates system selection, screening, minimum number of locations, sample frequency and duration, and defines quality requirements.
NSF/ANSI 360 applies only to wastewater treatment systems with rated capacities between 400 and 1,500 gallons per day, which have already been certified to NSF/ANSI 40 (CBOD5 and TSS reduction) or NSF/ANSI 245 (nitrogen reduction).