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Updated: Sep 27, 2026

Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 2. General Practices
Published on: October 3, 2016
How to safely maintain equipment where hazardous materials may lurk
Abstract:
The best protection is preparation. Assess any equipment/device that requires repair or maintenance for potential contamination or source of injury, such as sharp edges. Know where your protective apparel is located and use it. Review decontamination procedures and keep disinfectants available. Know your employee report of injury program and seek medical care whenever you have concerns regarding potential injury or exposure. Know your policies and procedures and where to find them if you need further information. Your infection control staff should be available 24 hours a day. The standard personal protective equipment that your employer is required to make available to you should include gloves, masks, eye protection, and gowns. In addition, if you are expected to enter a negative pressure room while a patient is in Airborne Precautions, you must be properly fit tested with an N95 respirator prior to entering the room. This respirator is very similar to a normal mask, but is able to filter out particles such as the TB bacterium. Infection control boils down to 2 commandments: 1. Wash your hands! 2. Use your head/common sense: If it looks soiled--clean it. If you have concerns--ask for clarification. If you think you have been exposed--seek medical assistance.
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