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MassDEP Issues New Underground Storage Tank Rules: 310 CMR 80.00

January 19, 2015 (comments: 0)

On January 2, 2015, MassDEP adopted a new Underground Storage Tank Regulation (“UST”, 310 CMR
80.00) that addresses design/construction/installation, registration, operation, maintenance and inspection of
UST systems used to store petroleum fuels and hazardous substances. These new rules have been
developed to implement M.G.L. c 21O, which was established by Section 7 of Chapter 4 of the Acts of 2009.
This law also transferred regulation of most aspects of the Commonwealth’s UST Program from the
Department of Fire Services (DFS) to MassDEP. The new regulation maintains the basic requirements
established by DFS’s regulation (527 CMR 9.00, which was rescinded on January 1, 2015) and by the U.S.
Environmental Protection Agency. MassDEP has also updated and streamlined requirements designed to
protect groundwater from UST system leaks.

310 CMR 80.00: New MassDEP Underground Storage Tank (UST) Regulations

Fact Sheet: New MassDEP Underground Storage Tank (UST) Rules

Underground Storage Tank (UST)/Stage I & II Enforcement Discretion Directive

MassDEP is giving the regulated community 120 days to learn about and implement the new requirements before the agency begins actively enforcing most provisions. This "grace period" runs through April 30, 2015.


For more information about the MassDEP Underground Storage Tank Program:

Visit MassDEP’s web site for the final regulation, associated documents about implementation, and

a schedule of MassDEP workshops about the new program:
• Call the UST/Stage I & II Hotline: 617-556-1035

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