己烷Hexane 100/a 100 to 3,000 ppm 6728391
烴類Hydrocarbons 0.1%/c(LPG) 0.1 to 1.3 Vol.-% 8103571
烴類Hydrocarbon 2/a 2-24 mg/L 8103581
氯化氫Hydrogen Chloride 0.2/a 0.2 to 3 ppm 8103481
3-20 ppm
鹽酸Hydrochloric Acid 1/a 1 to 10 ppm CH29501
鹽酸Hydrochloric Acid 50/a 500 to 5,000 ppm 6728181
50 to 500 ppm
鹽酸/硝酸Hydrochloric Acid / Nitric Acid 1/a 8101681
-Hydrochloric Acid 1 to 10 ppm
-Nitric Acid 1 to 15 ppm
氫氰酸Hydrocyanic Acid 0.5/a 0.5 to 5 ppm 8103601
5 to 50 ppm
氫氣Hydrogen 0.2%/a 0.2 to 2.0 Vol.-% 8101511
氫氣Hydrogen 0.5%/a 0.5 to 3.0 Vol.-% CH30901
氟化氫Hydrogen Fluoride 0.5/a 0.5 to 15ppm 8103251
10 to 90ppm
氟化氫Hydrogen Fluoride 1.5/b** 1.5 to 15 ppm CH30301
過氧化氫Hydrogen Peroxide 0.1/a** 0.1 to 3 ppm 8101041
硫化氫Hydrogen Sulphide 0.2/a 0.2 to 5 ppm 8101461