• Collecting samples of fuels at producers' and consumers' premises or the supervision of the collection of samples for laboratory tests;
• Checking the accuracy and precision of sampling and preparation of fuel samples by automatic sample collectors by current technical standards PN and ISO;
• Quality-quantity tests of solid fuel dumps (geodesy measurements, designation of the capacity and embankment weight);
• Sampling of train and car transports at producers' premises and at solid fuel consumers' premises, at the loading and reloading;
• Sampling of landfills at producers' and consumers' of solid fuels, solid biofuels or solid secondary fuels premises;
• Counselling during designing the systems for sampling solid fuels, solid biofuels, solid secondary fuels from technological strings and transports.