2020GB/T 39499-2020 Technical guideline for derivation of health protection zone about fugitive emission of atmospheric harmful substances
2012GB/T 18082.1-2012 Health protection zone for leather and fur and manufactured products industry - Part 1:Leather tanning industry
GB/T 18082.1-2012 Health protection zone for leather and fur and manufactured products industry - Part 1:Leather tanning industry was changed to GB/T 39499-2020 Technical guideline for derivation of health protection zone about fugitive emission of atmospheric harmful substances.