
NFPA 110 Fuel Testing Requirements
Know What the Standard Expects from Your Diesel Fuel.
NFPA 110 sets performance and maintenance expectations for emergency and standby power systems, including stored diesel fuel.
Key NFPA 110 Fuel Requirements
- Fuel must support reliable generator start-up
- Fuel must be maintained free of water and contaminants
- Fuel should be tested at least annually
Recommended Fuel Tests
- Water content
- Microbial contamination
- Visual clarity and sediment
- Other ASTM D975 parameters as needed
How Test Kits Support NFPA 110 Programs
Field test kits provide quick screening for water and microbial issues, helping you decide when to order full lab testing or fuel polishing.

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