As provided by Allison Narlock, the current quality control lead for Illinois Biodiesel Initiative (IBI), IBI performs a series of standard tests for every batch. The tests, with the ASTM test number, are the following (in no particular order:)

• Acid Number: D974
• Water and Sediment: D2709
• Flash Point: D93 (D6450), we use the closed cup method
• Oxidative Stability: D2274
• Visual Inspection: D4176
• Cold Soak: D7501
• Cloud Point: D2500

For each test, results are recorded to provide information as needed.