How do I calculate fair compensation if only 90% of a load meets spec and 10% doesn't?
Short answer: A reasonable approach is to value the conforming and non-conforming portions separately based on their actual respective grades, then compare that blended total against what you were invoiced for the full load at the higher, conforming-spec price — the difference between those two figures is a reasonable basis for the compensation or price adjustment you'd request.
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Source Scrap →Why a proportional valuation approach makes sense
Rather than an all-or-nothing outcome, valuing each portion of the load according to its actual condition and grade reflects what you genuinely received — this is a fairer, more defensible basis than either accepting the full invoiced price or demanding compensation disproportionate to the actual shortfall.
The basic calculation
Determine the fair value of the 90% that meets spec at the agreed price, add the fair value of the 10% that doesn’t meet spec at whatever grade it actually represents, and compare that combined total against what you were invoiced — the gap is a reasonable basis for your compensation request.
What to do if you and the seller disagree on the numbers
If there’s genuine disagreement about the actual grade of the non-conforming portion, an independent assessment or reference to a recognized grading standard can help establish a more objective basis for the calculation than relying on either party’s unilateral assessment.
How ScrapTrade Makes This Easier
Documented agreed specifications through ScrapTrade give both parties a clear reference point for calculating fair compensation when only part of a load meets the original agreed spec.
Ready to source scrap with clear, documented specifications? ScrapTrade connects verified buyers and sellers with escrow-protected payments and transparent weighing.
List or Find Scrap on ScrapTrade →Straight answers for buyers on disputing received scrap that doesn’t match what was agreed — for Rockhampton and Central Queensland buyers.