Underground Oil Storage
Tanks In Maine
New England Storage Tank Conference
October 5, 2016
Diana McLaughlinPetroleum Management Division
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION
Protecting Maine’s Air, Land and Water
What I will talk about:
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
A bit of history
Where we are now
What works
A Bit of History
1985
“Oil Storage Facilities and Ground Water Protection”;
created Board of Underground Storage Tank
Installers
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
1986
DEP’s first UST Rules
New tanks and piping must be
fiberglass, cathodically protected
steel or other non-corrosive
material approved by
DEP.
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
1986
Certification of persons who install underground oil
storage tanks: Certified Tank Installer (CTI)
1990
Ground Water Oil Clean-up Fund (insurance for
USTs) created
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
1991
UST Rules amended:
New USTs and piping* double walled with
electronic leak detection for tanks and piping
*Safe suction piping can be single walled
Existing federally regulated tanks must retrofit a
method of leak detection
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
1991 UST Rules (continued)
Annual testing, maintenance, repair of leak
detection, overfill prevention equipment, and
cathodic protection
Site assessment at tank closure (federally
regulated facilities)
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
1989 to 1997
State law: Deadlines for
removal of non-conforming
(bare steel) tanks.
~ 35,800 nonconforming tanks
removed at ~ 20,000 locations
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
2001
Legislation: “An Act to Improve Inspection
and Maintenance of Underground Oil
Storage Tanks”
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
2001 “An Act to Improve Inspection and
Maintenance of Underground Oil Storage Tanks”
New category of certification by Board of Underground Storage Tank Installers: Underground Storage Tank Inspector
Effective 2002, delivery of oil to bare steel and asphalt coated steel tanks prohibited
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
2001 “An Act to Improve Inspection and
Maintenance of Underground Oil Storage Tanks”
(continued)
By July 1, 2003 and annually thereafter, UST owners submit a passing inspection report certified by an underground oil storage facility installer or inspector on DEP form
DEP may issue delivery prohibition to a non-compliant facility owner
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
Pic of AI form
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
Leak Prevention
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
Certified Tank Installers and Inspectors
Board of Underground Storage Tank Installers
• 7 members appointed by the governor that serve 1, 2 or
3 year terms.
• Standards of Practice: Code of Ethics, Continuing
Education Requirement
• Enforcement and Disciplinary Actions
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
SINGLE WALL USTS REACHING 30 YEAR WARRANTY DEADLINE
368 TANKS AT 133 SITES
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
17
8999
140
32
0
20
40
60
80
100
120
140
160
2014 2015 2016 2017 2018 2019
Double-walled Tanks and Facilities expiring each year
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
0
50
100
150
200
250
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027
Tanks Facilities
Year
Nu
mb
er
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
Today
2,234 facilities
(1,407 Federally
regulated)
3,642 tanks
(2,574 Federally
regulated)
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
What Works for Maine USTs
Annual Inspections (91% compliance!)
Technical Assistance
Maine Certified Tank Installers and Inspectors
DEP field presence -- inspections of most facilities every 3 to 5 years
TankSmart
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
Diana McLaughlinDepartment of Environmental Protection
#17 State House StationAugusta, Maine 04333-0017
(207) [email protected]
www.maine.gov/dep
