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PT Providers

A provider of PT samples must be accredited by a Proficiency Testing Provider Accreditor (PTPA) that meets the TNI requirements. A listing of organizations that are accredited to provide PT samples is available below.

 

TNI PT Provider Code

PT Provider

Contact

City, State

Phone


TNIPTP16

Absolute Standards, Inc.

Stephen Arpie

Hamden, CT

800-368-1131


TNIPTP19

Advanced Analytical Solutions, LLC

Frederick Anderson

Parkersburg, WV

304-422-4274


TNIPTP21

Environmental Resource Associates, Inc.

Rebecca Roemer

Golden, CO

303-431-8454


TNIPTP31

NYS DOH Environmental Laboratory Approval Program

Kenneth Aldous

Albany, NY

518-474-7161


TNIPTP36

NSI Solutions, Inc.

Mark Hammersla

Raleigh, NC

800-234-7837


TNIPTP46

Phenova

Jason Campbell

Golden, CO

303-940-0033


TNIPTP41

Sigma-Aldrich RTC, Inc.

Patrick Brumfield

Laramie, WY

307-742-5452