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HazCom: Medical Gases

Medical gases are especially hazardous because they’re hard to smell and can’t be seen. Operating and recovery room staff are at highest risk if gas leaks from tubing or from the patient’s mask. The longer the gases are inhaled or are in contact with your body, the more harm they can do.


Oxygen is dangerous because it makes other materials highly flammable. The gas is found in operating, patient, and recovery rooms. It also is commonly transported between floors and nursing stations and may be piped throughout your facility.

Anesthetic gases

Most exposure from anesthetic gases, such as nitrous oxide, occurs through leakage of tubing. Your facility has a scavenger system to collect waste gas and route it outside.

Health care provider wearing surgical gown, gloves, and facemask checking hoses on medical equipment.

Check for leaks

Check your equipment often to make sure valves fit and aren’t allowing gas to leak.

Transport safely

Secure gas containers in carts so they don’t topple. Once containers are at their destination, make sure to secure them again in their new location.

Know the risk

Short-term exposure to medical gases can cause headaches, nausea, decreased mental alertness and motor coordination, and even coma or death. Longer-term exposures can lead to birth defects, miscarriages, and cancer.


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