🇷🇺 #Russian law establishes norms for “maximum allowable concentration of hazardous substances”: the levels at which a pollutant can be in the environment with no negative consequences for the human body, even with prolonged exposure.
But a regulatory change made in early 2021 — and only discovered by activists in July 2023 — lifts these limits for substances such as ammonia, hydrogen fluoride, nitrogen dioxide, vinyl chloride and PM2.5 for no apparent reason.
#russia