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.TNI PT Program: Comment Period Open Until May 16, 2024 - Addition of 29 PFAS Analytes to DW FoPT Table
Date Posted: 4-1-2024
The NELAC Institute Proficiency Testing Program Executive Committee (PTPEC) has approved the addition of 29 PFAS analytes to the Drinking Water PT Program through development of Fields of Proficiency Testing (FOPT). These FOPT have been added to the Drinking Water FOPT Table and the PTPEC is soliciting comments on the addition of these analytes as documented on the latest table linked below. The comment period is open for 45 days, closing on May 16, 2024, and is only limited to the PFAS compounds listed in blue on the table:
Drinking Water FoPT Table For Comment (PDF)
All comments must be submitted to Stacie Crandall ([email protected]) and Ilona Taunton ([email protected]) and must include the following:
Name
Affiliation
Email
Phone Number
Responses to comments will be addressed by the PTPEC and incorporated into the table, if necessary, before the PTPEC conducts a vote and determines an effective date.