Fixed Gases: ASTM D1946

Fixed Gases
ASTM D1946
CAS# Compound RL (uL/L)
1333-74–0 Hydrogen 1,000
630-08–0 Carbon Monoxide 2,000
7440-59-7 Helium 1,000
124-38-9 Carbon Dioxide 500
7782-44-7 Oxygen 2,000
74-82-8 Methane 20