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Title: Carbon Monoxide Removal From Compressor Supplied Breathing Air
Author: Daniel m. Vale
Source: American Gas Association 1977
Year Published: 1977
Abstract: For many years we at the Philadelphia Gas Works used air stream respirators with compressor supplied breathing air. Just prior to the issuance of Federal Standards under the Occupational Safely and Health Act we experienced an incident in which two employees using the respirators were overcome by carbon monoxide in the supplied breathing air. Fortunately, neither employee was affected seriously. Investigation of the incident resulted in finding carbon monoxide entering the air intake of the compresson from the compressor exhaust system. Following this experience, changes were made in the compressor design to further separate the exhaust from the air intake- Changes were also made in our compressor inspection procedures to prevent a reoccurrence. We continued to investigate methods that would assure the delivery of pure breathing air.

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