OSHA Technical Manual | Occupational Safety and Health

- Direct steam-type humidifiers inject boiler-generated steam directly into the air stream. These systems normally operate above 70 degrees C (158 degrees F), and Legionella cannot survive at that temperature. - Atomizing humidifiers use mechanical devices or pneumatic air to create a water mist that evaporates into the air stream.

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All Articles · NYC311

Boiler Complaint Report a problem with a boiler. Boiler Inspection Learn about the requirements for the Department of Building's (DOB) boiler inspections. Boiler Inspection Violation Learn about the violation issued to property owners who do not file an annual boiler inspection report.

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