This 2014 image, depicts Centers for Disease Control and Prevention (CDC) laboratorian, Heather O’Connell, as she was demonstrating the standardized environmental sampling protocol. See PHIL 16815, for another view of this procedure. This sampling process is taking place within the confines of a negatively pressurized, ventilated hood, thereby, preventing any airborne contaminants from entering the laboratory environment. The four glass panes to be sampled are all inside the hooded area reducing any further contamination, and Ms. O’Connell was using blue colored protective gloves, in order to protect her from the possibility of self-contamination. Here, she is using a standard sponge spatula, to pick up microorganisms from these four glass specimen panes.