Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

NVLAP Assessor Resources

2016 NVLAP Assessor Training

2016 NVLAP Assessor Training

Welcome, NVLAP Assessors!

This section of the NVLAP website has been created to provide you with easy access to frequently used forms and documents and to important information pertaining to the on-site assessment of laboratories and working for NVLAP.  You can use the menu links to find needed information, review the notices below or find contact names at NVLAP at the bottom of this page.


NVLAP has launched the use of for access to the NIWS Assessor Portal.  Users are now directed to to sign into the NVLAP Assessor Portal.  A account, using the email address that was provided to NVLAP, will be required to access the portal.

If you need additional information on how to register for, instructions are available here.



For Assessor Records, Assessor Packages, & General Inquiries

Contract/Finance Related

Created May 3, 2016, Updated July 11, 2023