TM97-10 Change in Ammonia Minimum Reporting Limit

This technical memorandum pertains to changes in the minimum reporting limit (MRL) for dissolved ammonia nitrogen in chilled and chilled-acidified samples (see table below), effective October 1, 1997. Specifically it announces a change in the MRL for these tests from 0.015 milligrams of nitrogen per liter (mg-N/L) to 0.02 mg-N/L.