Soil 1 (IMAGE) Rice University Caption Rice University pyrolyzed oil-contaminated soil to reduce total petroleum hydrocarbons below federal standards, while leaving beneficial carbons in the soil. The lab grew lettuce in samples of reclaimed soil to test its viability. Credit Julia Vidonish/Rice University 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.