What a dip test actually is
A dip test is a physical, on-site verification performed at the loading terminal. A licensed inspector from SGS, Intertek, or Bureau Veritas opens the storage tank, lowers calibrated equipment into the product, and certifies two things: the quantity in the tank and the quality of the product against the contracted specification.
It is the moment the deal stops being paperwork and becomes physical reality.
Who performs the dip test
Three companies dominate independent inspection globally: SGS (Swiss), Intertek (UK), and Bureau Veritas (French). Each operates licensed laboratories and inspection teams at every major port. The buyer nominates and pays the inspector — never the seller — to guarantee independence.
What the inspection covers
- Tank seal integrity (have the seals been broken since the last inspection?)
- Calibrated volume measurement using approved dip equipment
- Composite sampling from top, middle, and bottom of the tank
- Laboratory analysis against the SPA specification (sulfur, density, flash point, etc.)
- Issuance of the Q&Q certificate — the document the buyer pays against
Why payment must follow inspection
The entire fraud economy in fuel trading depends on getting buyers to pay before they verify. Once money is wired, recovery is essentially impossible. The dip test eliminates this attack vector — if the seller cannot produce real product on-spec, the buyer simply walks away with their funds intact.
Common seller objections — and what they mean
- "We need payment to release the dip test." → No real seller says this.
- "The tank is full and ready, but inspection costs are buyer's responsibility." → Correct, and a good sign.
- "Use our inspector, it is faster." → Refuse. Inspector independence is the entire point.
How MinePetro handles it
Every SPA we structure includes dip-test-before-payment as a buyer right. No exception, no upgrade tier, no special category. If a counterparty pushes back, the deal does not move forward.
Looking for a verified fuel source?
Skip the broker chains. MinePetro connects serious buyers directly with named refineries — with a written procedure, dip-test before payment, and Canada-based intermediation. Tell us what you need and we will respond with real names, real ports, and a real timeline.
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