ARIZONA MINING PERMITTING GUIDE - AZGS Document Repository

Arizona Mining Permitting Guide
Underground Storage Tank - Closure Notification
Arizona Department of Environmental Quality (ADEQ)
Waste Programs Division Support Section
1110 West Washington Street
Phoenix, AZ 85007
ADEQ UST Closure Notification - 602-771-4316 or 1-800-234-5677 ext. 771-4316
www.azdeq.gov/environ/waste/index.html
PERMITS, AUTHORIZATIONS OR FILINGS:
Underground Storage Tank - Closure Notification
LEGAL AUTHORITY:
A.R.S. § 49-1004
CONDITIONS REQUIRING PERMITS, AUTHORIZATIONS OR FILINGS:
Owners and operators are required to notify ADEQ at least thirty (30) days prior to initiating
closure activities of Underground Storage Tanks (UST). Following notification, ADEQ issues
a closure number to the owner and operator, which can then be used to obtain closure permits
from the jurisdictional fire authority. The written notification to ADEQ is to contain the name
and address of the UST facility, the number of tanks that will be closed, the sizes of each tank
to be closed, and the substance stored in each tank. A guidance document outlining closure
procedures is available from ADEQ.
EXEMPTIONS:
See A.R.S. §§ 49-1001.17 and 1002.B. and C., and 40 CFR 280.10. For specific information
on deferred or exempt tanks, contact ADEQ at the number above.
FEES:
None
AVERAGE PROCESSING TIME:
ADEQ sends out the letter notifying the owner and operator of the assigned closure number
within one week of receiving the intent to close letter from the owner and operator.
FOMRS:
Underground storage tank permanent closure guidance document:
www.azdeq.gov/environ/waste/ust/download/closure.pdf
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