This guidance document and companion field cards are intended to provide State regulators with a means of estimating air emission rates of VOCs and benzene at individual UST cleanup sites. This information may be used to develop policies regulating such air emissions.

• Estimating Air Emissions from Petroleum UST Cleanups: Guidance Document (June 1989) (PDF)(56 pp, 1 MB)
• Estimating Air Emissions from Petroleum UST Cleanups: Companion Field Cards (September 1989) (PDF)(22 pp, 317 K)