Fuels stored for more than six months are subject to aging degradation – oxidative products, condensation buildup, microbiological growth – and should be periodically tested to ensure reliable, satisfactory performance if used in systems than do not run continually.
| Test | Method |
|---|---|
| Accelerated Stability | DUPONT F20-61 |
| Micro-organism Culture | Test Kit |
| Particle Contamination | ASTM D5452 |
| Sediment & Water (BS & W) | ASTM D1796 / D2709 |
| Trace Metals (by ICP in ppm) | ASTM D7111 |