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Petroleum Vapor Intrusion

Petroleum Vapor Intrusion

Vapor Intrusion (VI) is the migration of volatile chemicals from the subsurface into overlying buildings (USEPA 2002b). Petroleum Vapor Intrusion (PVI) is a subcategory of VI specifically relating to petroleum hydrocarbons in the subsurface that have the potential to migrate into overlying buildings due to a petroleum release in the subsurface.
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Directors Office
Christine Mandiloff (Public Information Officer): 444-6469

Underground Storage Tanks
1520 East Sixth Avenue | P.O. Box 200901 | Helena, MT 59602-0901
Phone: 406-444-5300 | Fax: 406-444-1374
UST Web:
Leanne Hackney (Program Manager): 444-0485

Petroleum Tank Cleanup Section Federal Facilities and Brownfields
1225 Cedar Street | P.O. Box 200901 | Helena, MT 59601
Phone: 406-444-6444 | Fax: 406-444-6783
Remediation Web:
Aimee Reynolds (Bureau Chief): 444-6435
Amy Steinmetz (Section Supervisor): 444-6781

Petroleum Tank Release Compensation Board
1225 Cedar Street | P.O. Box 200901 | Helena, MT 59601
Phone: 406-444-9710 | Fax: 406-444-9711
Terry Wadsworth (Executive Director) 444-9712