Service Offerings: Petroleum: Remediation MTBE poses significant issues for the industry from effective remediation technologies to cost of clean up. The states have enacted various guidance and advisory approaches for dealing with MTBE. Please click on the link below the map to review the state-by-state detail of current and proposed clean-up levels for MTBE in groundwater. MTBE Cleanup/Action Level Site-Specific MTBE Cleanup Level Projected 2001 MTBE Cleanup Level Waiting for EPA MCL ©2001 Delta Environmental Consultants, Inc., St. Paul, MN. All forms of reproduction without permission, including facsimile copy of any kind, are copyright violations. www.epa.gov/swerust1/mtbe/mtbemap.htm This map shows current groundwater regulations (established or site-specific), forthcoming regulations, states waiting for MCL/Health Advisory, and states with no regulations (Map courtesy of Michael Martinson, Delta Environmental Consultants, Inc.) Delta provides the MTBE regulatory information as a complimentary service to clients, regulatory agencies, and other interested parties. The UST/LUST groundwater clean-up data for MTBE levels are updated through frequent interviews with key state regulatory staff in both UST/LUST and drinking water programs. For further information contact: Mike Martinson