From an emission standards view, Biomass, (in accordance with Regulation of the Environment Minister from 22nd April 2011, Journal of Laws 2011 No. 95 pos. 558) is defined as:

- Products composed of vegetable matter from agriculture or forestry incinerated to recover their energy content as well as the following wastes:

• vegetable farming and forestry residue,
• vegetable of the food processing industry, if the thermal energy generated is recovered,
• fibrous vegetable from the primary production of pulp and paper production process of pulp, where the wastes are incinerated at the place in which they arise, and the heat generated is recovered,
• debris from cork
• wood, with the exception of wood waste which may contain organohalogen compounds or heavy metals as a result of treatment with wood preservatives or coating, which include in particular wood waste originating from construction and demolition waste.

Biomass, (in accordance with Regulation of the Minister of Environment of 12th September 2008, Journal of Laws 2008 No. 183 pos. 1142) definable in terms of emissions of substances covered by the community emissions trading is:

Non-fossilized organic biodegradable material, originating from plants, animals and microorganisms, as well as products, by-products, residues and waste from agriculture, forestry and related categories of industrial activity. Non-fossilized and biodegradable organic fractions of industrial and municipal wastes, including gases and liquids recovered from the decomposition of non-fossilized and biodegradable organic material, a list of materials accepted as biomass is defined in part F of Annex 1 to the Regulation.

References to biomass are also found in other legislation, including in the subsequent regulations from the Environment Minister, Energy Law or the Act from 25th August 2006 on biocomponents and liquid biofuels.

The accuracy of the classification of the product as biomass and its compliance with regulatory requirements, provides and maintains a stable and professional co-operation both on the Polish and global market.