Validation of the Dynamic Direct Exposure Method for Toxicity Testing of Diesel Exhaust In Vitro

Figure 3

A549 cell viability following exposure to diesel exhaust generated in the laboratory-based study between 0 to 60 mins at 37.5 mL/min flow, as measured by the ATP assay; * denotes 𝑃<0.05 and ** denotes 𝑃<0.01.