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 Symbols
On October 14, 2009, the TNI Board of Directors approved three new symbols to be used for certificates issued to laboratories or accreditation bodies. These new symbols include one for accredited laboratories, one for NELAP-recignized Accreditation Bodies, and one for Accreditation Bodes recognized in TNI's new field activities program. Laboratories accredited to the 2003 NELAC standard may continue to use the old half-circle NELAC symbol or use the new TNI symbol on general literature such as catalogs, advertising, business solicitations, proposals, quotations, laboratory analytical reports or other materials, according to Section 6.8 of the 2003 NELAC Standard. High-resolution versions of the new laboratory logo are available for download in a variety of formats:
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