Guidance Documents

On this page, you will find guidance documents pertaining to the assessment and remediation of petroleum releases. Other valuable resources are available on the Resources and Links page.

Closure Criteria Guidance

Owner/Operator Guidance

Tier 1A Guidance

Monitored Natural Attenuation (MNA) Guidance

Methyl Tertiary Butyl Ether (MTBE) Guidance

Petroleum Hydrocarbon Remediation Guidance

Petroleum Vapor Intrusion Guidance

Assessing Vapor Intrusion (from the American Petroleum Institute)

Vapor Intrusion Guidance (from the Environmental Protection Agency)

Vapor Intrusion: Fundamentals of Screening, Investigation and Management (from the Interstate Technology and Regulatory Council)


Purged Groundwater Guidance