One Time Use/Disposable Compressed Gas Cylinders –This includes the small 16.4 oz. and 14.1 oz. camp type propane cylinders, helium party balloon cylinders, and refrigerant cylinders and other empty one time use disposable cylinders.
Refillable Compressed Gas Cylinders - This includes, but is not limited to, refillable propane tanks and industrial and medical gas cylinders that may have contained gases such as oxygen, acetylene, chlorine, carbon dioxide, etc.