Introduction. At the present stage it is becoming important to take into account the category of environmental toxicity (ecotoxicity) in the life cycle assessment of building materials in accordance with the methodology of international standards ISO 14000 series. Among the methods of ecotoxicity assessment. two groups can be distinguished. https://www.jmannino.com/best-offer-2024-Arbor-Formula-Rocker-Snowboard-w-Boots-and-Bindings-special-save/