Bunker Dispute - Sample Test Variance
Acceptable variance between BDN quality and retained-sample laboratory result - thresholds for commercial challenge.
Absolute diff
0.030
ISO 4259 tolerance
0.020
Status
Outside tolerance - valid dispute
Formula, assumptions, and limits
ISO 4259 reproducibility / repeatability tolerances vary by parameter. Claim procedure: notify supplier in writing within 30 days, retain BDN + sample, arrange lab cross-test.
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| Parameter value | - | ISO 8217 |