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SRM PRODUCT LIST!
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Standard Reference Materials
NIST supports accurate and compatible measurements by certifying and providing over 1200 Standard Reference Materials® with well-characterized composition or properties, or both.
SRMs are available for order at the NIST store, https://shop.nist.gov.
**Please Note – SRM 2026 Inventory Schedule**
Friday, September 4, 2026 is the last day that we will schedule Air Freight cold pack/dry ice pick up.
Tuesday, September 8, 2026 is the last day that we will ship dry-ice, hazardous, and international orders, as well as scheduling Air Freight (non-perishable) pick up.
Friday, September 11, 2026 is the last day (until 10:30 am) that we will accept non-hazardous domestic orders for immediate shipment prior to inventory.
Monday, September 14, 2026 through Wednesday, September 30, 2026 – Orders can be taken, but shipping will not occur.
Thursday, October 1, 2026 - All orders will begin to be shipped.
Pursuant to Executive Order (EO) 14247, NIST will no longer accept paper checks or money orders.
The downloadable version of the SRM Product List is updated annually. For the latest product availability for order, go to the NIST Store, https://shop.nist.gov.
Users of a NIST SRM or RM should ensure that the certificate/report in their possession is current. Find Current SRM/RM Certificates, Reports of Investigation, and Safety Data Sheets using the NIST Store’s Product Search Box.
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Contacts
General Inquiries about NIST SRMs
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Sales and Customer Service100 Bureau Drive
Stop 2300
Gaithersburg, MD 20899
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Certificate Inquiries:
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Safety Data Sheets Inquiries:
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Technical Inquiries about NIST SRMs: