The European Commission has established a new limit for the concentration of formaldehyde in the air of "living environments": the Regulation 2023/1464, published on 14 July, cuts the previous values by setting the limit to 0,062 mg/m3 for the emission of this substance considering, in particular, wood-based products and furniture as possible "sources" of formaldehyde. The provision prescribes a new limit which is exactly the half of the value indicated in 1989 by the World Health Organization (0.124 mg/m3), on which the well-known and consolidated E1 classification is based. The E1 is ...