LITBK is accredited to carry out sampling of solid biofuels - wood and non-woody pellets, wood and non-woody briquettes, wood chips, saw dust, biomass; treated bio-waste - compost, fermentation product, organic soil improver, stabilized organic fraction of MBT; sewage sludges and solid recovered fuels - RDF.

As a result of sampling, a Sampling Report is issued, which is an integral part of the Test Report.