2020GB/T 39499-2020 Technical guideline for derivation of health protection zone about fugitive emission of atmospheric harmful substances
2012GB/T 18068.3-2012 Health protection zone for non-metallic mineral products industry - Part 3:Asbestos products industry
GB/T 18068.3-2012 Health protection zone for non-metallic mineral products industry - Part 3:Asbestos products industry was changed to GB/T 39499-2020 Technical guideline for derivation of health protection zone about fugitive emission of atmospheric harmful substances.