Are High Range Chlorine methods using DPD approved for EPA reporting?

Document ID

Document ID TE198

Version

Version 2.0

Status

Status Published

Published Date

Published Date 27/05/2017
Question
Are High Range Chlorine methods using DPD approved for EPA reporting?
Summary
Reporting High Range Chlorine to the EPA
Answer
Any Hach Free or Total HR Chlorine method that uses the DPD chemistry and is measured in a colorimeter or spectrophotometer is acceptable for EPA reporting.