Environmental Investigation Videos

Legionella Ecology and an Introduction to Environmental Health and Engineering
Learn why and where Legionella grows as well as the basics of how cooling towers, premise plumbing, and whirlpool spas (hot tubs) work.
Running Time: 14:49 minutes
Date Released: 10/5/2015

Conducting and Interpreting the Environmental Assessment
Learn useful tips about conducting an environmental assessment and how to interpret the results of key questions on CDC’s Legionella Environmental Assessment Form [15 pages].
Running Time: 10:12 minutes
Date Released: 10/5/2015

How to Make a Sampling Plan
Taking water and biofilm samples for Legionella testing is an important step in an outbreak investigation. Learn how to make a plan for the number of samples to take and where to take them.
Running Time: 5:14 minutes
Date Released: 10/5/2015

How to Sample Potable Water
Learn CDC’s procedure for collecting potable water samples for Legionella culture during a cluster or outbreak investigation, or when cases of disease may be associated with a facility.
Running Time: 7:11 minutes
Date Released: 10/5/2015

How to Sample Cooling Towers
Learn CDC’s procedure for collecting environmental samples from a cooling tower for Legionella culture during a cluster or outbreak investigation, or when cases of disease may be associated with a facility.
Running Time: 5:15 minutes
Date Released: 10/5/2015

How to Sample Spas and Fountains
Learn CDC’s procedure for collecting environmental samples from spas (hot tubs) and fountains for Legionella culture during a cluster or outbreak investigation, or when cases of disease may be associated with a facility.
Running Time: 7:32 minutes
Date Released: 10/7/2015