Are Hach methods for total nitrogen EPA approved?

Document ID

Document ID TE1119

Version

Version 3.0

Status

Status Published

Published Date

Published Date 05/17/2018
Question
Are Hach methods for total nitrogen EPA approved?
Summary
EPA approval of total nitrogen
Answer
Total nitrogen is not a parameter regulated by the EPA and so there is no approved methods for reporting purposes. However, the EPA is approving S-TKN which contains the total nitrogen component.

Please see: Is there a United States Environmental Protection Agency (USEPA) formatted method for simplified Total Kjeldahl Nitrogen (s-TKN™) method 10242?


 

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