TNI Fields of Proficiency Testing
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Drinking Water Fields of Proficiency Testing (FoPT)
Chemistry and Microbiology
The table to the right contains a listing of the approved drinking water (potable water) fields of proficiency testing (FoPT) analytes and acceptance limits for all analytes except radiochemistry.
Non-Potable Water (NPW) Fields of Proficiency Testing (FoPT)
Chemistry and Microbiology
The table to the right contains a listing of the approved wastewater or non-potable water fields of proficiency testing (FoPT) analytes and acceptance limits.
Solid and Chemical Materials (SCM) Fields of Proficiency Testing (FoPT)
Accreditation Analytes
The table to the right contains a listing of the approved Solid and Chemical Materials fields of proficiency testing (FoPT) analytes and acceptance limits.