U.S. GAO - Aviation and the Environment: Survey of Airport Officials on Airport Environmental Issues (GAO-10-748SP, September 2010), an E-supplement to GAO-10-50

36.	What factors or circumstances, if any, have helped your airport to control water pollution?

37.	What factors or circumstances, if any, have hindered your airport from controlling water pollution?

38.	How could the Federal Aviation Administration (FAA) or Congress better assist your airport to control water pollution? Please consider the guidance provided by FAA/EPA, in addition to other aspects of FAA/EPA's role.