<http://schema.org/about>
"\nGetty Images\nVolatile organic compounds: something's in the air\nYou can't see them, but they're all around us. They aren't listed as ingredients on the objects we bring in our home, but they're often there. They're volatile organic compounds, or VOCs, a"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/culture/vocs-volatile-organic-compounds-indoor-air-quality-and-respiratory-health/page3.html>