Testing Coal-Tar Sealcoats for Toxic PAH Emissions

Image: Testing Coal-Tar Sealcoats for Toxic PAH Emissions

Detailed Description

A USGS scientist adjusts an air pump used to measure emission of polycyclic aromatic carbons (PAHs) into the air.

Details

Image Dimensions: 2848 x 4288

Date Taken:

Location Taken: Austin, TX, US