VOC's are the nasty side of traditional paint. Read my tutorial Low VOC Interior Paint and Other Healthy Alternative Paints for a more in-depth review of why VOC's are so dangerous and what safe paint alternatives are available for you.
But you don't have to worry about VOC's with this paint either. This brand by O'Leary Paint has a VOC level of 20 g/L according to their company technical data.

