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Ask a biosafety officer

How dangerous or safe is it to culture organisms isolated from the home environment?

Answer from a Biosafety Officer:

June 10, 2013

According to best practices in biosafety, use of Biosafety Level 2 (BSL-2) practices and facilities are recommended when working with samples that contain unknown microbes, and therefore unknown hazards (1:  Section II:  Biological Risk Assessment; 2:  Isolation of Unknown Microbes from the Environment).


1. Wilson, D., and L. Chosewood, editors.  Biosafety in Microbiological and Biomedical Laboratories (BMBL), 5th edition.  Centers for Disease Control and Prevention and National Institutes of Health.  2009.  Accessed 03/03/2013.

2. American Society for Microbiology.  Draft Guidelines for Biosafety in Teaching Laboratories.  2012.  Accessed 03/03/2013.