-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
硫化氫Hydrogen Sulphide 0.2/b 0.2 to 6 ppm 8101991
硫化氫Hydrogen Sulphide 0.5/a 0.5 to 15 ppm 6728041
硫化氫Hydrogen Sulphide 1/c 10 to 200 ppm 6719001
1 to 20 ppm