Specific substances
(1) ammonia
(2) hydrogen fluoride
(3) hydrogen cyanide
(4)
carbon monoxide
(5) formaldehyde
(6) methanol
(7) hydrogen
sulfide
(8) hydrogen phosphide
(9) hydrogen chloride
(10)
nitrogen dioxide
(11) acrolein
(12) sulfur dioxide
(13)
chlorine
(14) carbon disulfide
(15) benzene
(16)
pyridine
(17) phenol
(18) sulfuric acid (including sulfur
trioxide)
(19) silicon fluoride
(20) phosgene
(21) selenium
dioxide
(22) chlorosulfonic acid
(23) yellow phosphorus
(24)
phosphorus trichloride
(25) bromine
(26) nickel carbonyl
(27)
phosphorus pentachloride
(28) mercaptan
