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Fuel Quality Alert: Test and Record Every Incoming Diesel Batch

FuelGuard public advisory — South Africa

Farms, fleets and bulk fuel users should test and document every incoming diesel delivery before accepting it into operational stock. A consistent receiving procedure helps identify unexpected density variation, visible contamination and free water before the fuel reaches vehicles or equipment.

Recommended receiving controls

  • Confirm the supplier, delivery note, product grade and delivered quantity.
  • Take a representative sample before or during transfer.
  • Check the sample visually for haze, sediment, separation or free water.
  • Measure and record density and temperature using suitable equipment and the applicable reference method.
  • Photograph the sample and instrument readings, and retain the result with the delivery record.
  • Keep the fuel isolated if the result falls outside the organisation’s approved control range or contamination is suspected.

If a result is unusual

Do not rely on one reading as proof of wrongdoing or non-compliance. Repeat the test, confirm the test method and equipment, preserve a properly labelled sample, notify the supplier and obtain competent technical or laboratory assistance where appropriate.

This advisory is a preventive operational control and does not identify any supplier or allege misconduct.

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