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About This Item

 

Full Description

NSF/ANSI 245 defines total nitrogen reduction requirements to meet the growing demand for nutrient reduction in coastal areas and sensitive environments. NSF/ANSI 245 covers residential wastewater treatment systems with rated capacities between 400 and 1,500 gallons (1,514 and 5,678 liters) per day.

We can evaluate any kind of system, regardless of treatment technology, in test facilities in the U.S., Canada and Europe.

To achieve certification, treatment systems must produce an acceptable quality of effluent during a six-month (26-week) test. System service and maintenance are prohibited during the test period.
 

Document History

  1. NSF/ANSI 245-2020


    Residential Wastewater Treatment Systems - Nitrogen Reduction

    • Most Recent
  2. NSF/ANSI 245-2019


    Residential Wastewater Treatment Systems - Nitrogen Reduction

    • Historical Version
  3. NSF 245-2018

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    viewing


    Residential Wastewater Treatment Systems - Nitrogen Reduction

    • Historical Version
  4. NSF 245-2013


    Wastewater Treatment Systems - Nitrogen Reduction

    • Historical Version
  5. NSF 245-2012


    Wastewater Treatment Systems - Nitrogen Reduction

    • Historical Version
  6. NSF 245-2010a


    Wastewater Treatment Systems - Nitrogen Reduction

    • Historical Version
  7. NSF 245-2010


    Wastewater Treatment Systems - Nitrogen Reduction

    • Historical Version
  8. NSF 245-2007


    Wastewater Treatment Units Nitrogen Reduction

    • Historical Version