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.Request for Comments on the Draft Standard V1M7 Quality Management Systems for Toxicity Testing
Date Posted: 2-26-2025
The TNI Whole Effluent Toxicity Expert Committee is providing for your review and comment the following documents:
- A Draft Standard that updates the module to clarify and expand upon certain sections of the 2009 module. The 2009 module was carried over into the 2016 TNI Environmental Laboratory Standard unchanged. (click here to view PDF)
- A Summary of Proposed Changes with Justification for those changes. (click here to download)
The comment period will be open for ninety (90) calendar days. The NELAP Accreditation Council may request a thirty (30) day extension of this comment period. Please send your comments and proposed revised text to both Teresa Norberg-King ([email protected]) and Lynn Bradley, the Program Administrator for the Whole Effluent Toxicity Expert Committee ([email protected]). All comments will be tracked by Lynn and you will be notified of the committee's response to your comment after all comments are considered and addressed if deemed persuasive.
This Draft Standard is offered for public comment under the new procedures described in the Consensus Standards Development SOP 2-100, located at https://nelac-institute.org/docs/sop-policy/SOP-2-100-Rev4.3-CSDP-StdDev-240312FINAL.pdf. While commenters are no longer asked to "vote" on the document, now called simply the Draft Standard, you are invited to provide comments on any portion of the Draft Standard, as you see fit. We do ask that you provide alternative wording that would address your concern whenever possible. As before, all comments will be ruled either persuasive, non-persuasive, or editorial by the committee, and addressed accordingly. If substantive or controversial changes are required to the Draft Standard, it will be re-offered for public comment at a later date.