# Request for Expression of Interest - NFPA 400 Hazard Classification of 2.3% Acetonitrile Mixture

Canonical: https://abierto.us/opportunities/requestforexpressionofinterestnfpa400hazardclassificationofacetonitrilemixture

- Solicitation number: Request_for_Expression_of_Interest-NFPA_400_Hazard_Classification_of_Acetonitrile_Mixture
- Notice type: Sources sought
- Status: Closed. Deadline was June 24, 2025 at 7:30 PM EDT
- Department: Department of Energy
- Contracting office: Hanford Tank Waste Operations & Closure LLC - DOE Contractor (899091)
- NAICS: 541380 Testing Laboratories and Services
- Place of performance: Richland, Washington
- County: Benton County (FIPS 53005). https://abierto.us/counties/benton-county-wa-53005
- City: Richland. https://abierto.us/cities/richland-wa-5358235
- First posted: June 12, 2025
- Last posted: June 12, 2025
- SAM.gov: https://sam.gov/workspace/contract/opp/64b989816f5d4b98a84300a483360d1a/view

## Description

Hanford Tank Waste Operations & Closure (H2C) is seeking a qualified, accredited laboratory to perform hazard classification for a 2.3% acetonitrile mixture (97.7% water, 2.2964% acetonitrile, 0.00335% acrylonitrile, 0.00005% acetone, 0.00003% N-nitrosodimethylamine, 0.00007% air) in compliance with NFPA 400 requirements. The mixture must be classified based on its overall hazard profile, as stipulated: “Mixtures shall be classified in accordance with the hazards of the mixture as a whole by an approved, qualified organization, individual, or testing laboratory.” The mixture has already been classified as a Class IIIB combustible liquid (flash point ? 200°F)

## Publications

- June 12, 2025: Sources sought, due June 24, 2025 at 7:30 PM EDT. Notice 64b989816f5d4b98a84300a483360d1a. https://sam.gov/workspace/contract/opp/64b989816f5d4b98a84300a483360d1a/view

## Points of contact

- Janelle Freepons, Janelle_K_Freepons@rl.gov, 509-376-7856

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/requestforexpressionofinterestnfpa400hazardclassificationofacetonitrilemixture.