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.
Ordering Policies and Pricing
Sales and Customer Service
Terms and Conditions
Pricing Policy
Payment Policy - If prepayment for SRM purchases presents a hardship to your organization, you may purchase SRMs using one of NIST's licensed distributors listed in the Licensed Distributors link below.
Licensed Distributors
Ordering Policies
Required Ordering Information
Shipping Information
Order Discrepancies and Returned Goods