Houston Petrochemical Pollution (IMAGE) University of Colorado at Boulder Caption This is an image of WD-P3 aircraft on the tarmac that was used for a petrochemical pollution study in Houston by CIRES, a joint institute of the University of Colorado and NOAA. Credit Photo by Bill Dube/NOAA Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.