Description Mixture Stability in a Lightweight, Portable Package Typical gas blends for these cylinders include ammonia, chlorine, hydrogen sulfide, nitric oxide, nitrogen dioxide and sulfur dioxide. Description: 75 PPM H2S, 100 PPM CO, 1.05% PROPANE (50% LEL), 16% O2, BAL N2 Warning: This product can expose you to chemicals including carbon monoxide, which is known to the State of California to cause birth defects or other reproductive harm.
