USGS Multimedia Gallery
Title: Testing Coal-Tar Sealcoats for Toxic PAH Emissions
A professional applicator applies coal-tar-based sealcoat to a test plot used to measure emission of polycyclic aromatic carbons (PAHs) into the air.
Location: Pickle Research Campus, University of Texas, Austin, TX, USA
Date Taken: 9/16/2009
Photographer: Justin McInnis , USGS
Usage: This image is public domain/of free use unless otherwise stated. Please refer to the USGS Copyright section for how to credit the photo.
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