develop consensus standards for use by TNI's programs. This group has a support role in assisting other programs with activities such as guidance and standards interpretation.
fosters the generation of data of known and documented quality is through the National Environmental Laboratory Accreditation Program, or NELAP. The purpose of this program is to establish and implement a program for the accreditation of environmental laboratories.
is to establish and maintain a national PT program to support TNI’s National Environmental Laboratory Accreditation Program, and other activities.
Field Activities Program (NEFAP) Executive Committee is to establish and implement an accreditation program for field sampling and measurement organizations (FSMOs).
Audit Sample Program is to develop consensus standards for the manufacture and analysis of audit samples for source emission testing.
on a variety of topics of interest to the environmental measurement community. TNI also hosts two regularly scheduled meetings per year, typically in January and August. Both are a week long and involve open meetings of TNI committees as well as training courses and other special sessions.Fields of Proficiency Testing (FoPT) Table Updates - Effective Oct 2020
Date Posted: 7-8-2020
The following updated FoPT tables are now available:
| FoPT Table | Effective Date | Revision Number |
| Non-Potable Water, Chemistry and Microbiology | 10-01-2020 | 0.3 |
| Solid and Chemical Materials | 10-01-2020 | 0.3 |
NOTE: These tables include a new footnote related to degradation products for pesticides.
FoPT tables are available for download in Excel and PDF format. Click here to go there now.To subscribe to TNI's mailing list to be informed about future updates to FoPT tables, please follow this link and complete the form:
https://nelac-institute.org/content/NEPTP/subscribe-fopt.php