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Susan Ledbetter
Posted: Wednesday, July 28, 2010 9:02 AM
Joined: 9/24/2009
Posts: 3

An Alkalinity test has been requested on one of our indirect dischargers. The sample pH is less than 4.3 S.U.  How does one measure for alkalinity when the pH is below the adjusted pH required by the test?  Should the lab then measure for acidity?


Your input will be welcome.


Posted: Wednesday, July 28, 2010 9:08 AM

If the pH is already below the titration endpoint the sample has no alkalinity present.  Report a non-detect and collect your $20.00happy