The NELAC Fields of Proficiency Testing (FoPT) tables contain the concentration ranges, acceptance limits and proficiency testing reporting limits (PTRL) for all analytes included in the NELAC PT program.

FoPT table for Drinking Water (effective January 3, 2012)

FoPT table for Solid and Chemical Materials (effective January 3, 2012)

FoPT table for Non-Potable Water (effective March 16, 2015)

If you have any questions about these tables or any other aspect of NELAC proficiency testing, please call ERA at 800-372-0122 or 303-431-8454.


FoPT Table