China National Standards

China Hygienic standard benzo GB Standards List

  •  China "Hygienic standard benzo" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB 18054-2000 Hygienic standard for benzo(a)pyrene in the atmospheric air of residential areas
    居住区大气中苯并(a)芘卫生标准    		 China National Standards
    Hygienic standard benzo
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