Lab Safety Series: Preventing Contamination
This laboratory safety course focuses on preventing contamination across chemical, biological, food, and research laboratory environments. Participants will learn to identify and control the four major types of laboratory contamination—chemical, biological, particulate, and cross-contamination—while mastering essential contamination prevention practices including proper glove discipline, hand hygiene protocols, surface decontamination procedures, and correct use of clean benches versus biosafety cabinets. The course emphasizes practical workflow design, zone control, and real-world contamination scenarios to help workers understand how contamination spreads through routine contact and equipment use, often without visible signs. By combining OSHA Laboratory Safety Guidance principles with CDC biosafety recommendations, this training provides workers with the systematic approach needed to protect both personnel safety and sample integrity, ensuring contamination chains are actively broken before they can compromise analytical accuracy, research validity, or regulatory compliance.
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Course Details
Learning Objectives
By the end of this course, you will be able to:
- Identify the major types of laboratory contamination, including chemical, biological, particulate, and cross-contamination
- Recognize common contamination sources in laboratory environments.
- Explain how workers can contaminate themselves, samples, tools, surfaces, and nearby work areas
- Distinguish between clean benches and biosafety cabinets and explain why they are not interchangeable
- Apply proper glove use, glove-changing, and hand hygiene practices to reduce contamination spread
- Describe practical decontamination procedures for surfaces, tools, and work areas, including correct disinfectant use and contact time
- Explain how contamination affects both safety and quality outcomes across chemical, food, and research laboratories
- Recognize contamination incidents and describe appropriate response and reporting steps
