Sealcoat (IMAGE) University of New Hampshire Caption Sealcoat applied to pavement may be contributing to PAHs in stormwater runoff. Credit UNH Stormwater Center 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.