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.Withdrawal of EL-V3 and EL-V4 Draft Standards
Date Posted: 1-22-2024
During the Proficiency Testing Expert Committee meeting today during the Forum on Environmental Accreditation in Columbus, the Committee presented for review and comment both EL V3 and V4. A number of corrections, primarily editorial in nature, were found. It was decided to withdraw these two Volumes of the Standard, make the necessary corrections and re-post these draft standards for comment. The Committee apologizes for any inconvenience this may have caused.