Utah Administrative Code

The Utah Administrative Code is the body of all effective administrative rules as compiled and organized by the Division of Administrative Rules (see Subsection 63G-3-102(5); see also Sections 63G-3-701 and 702).

NOTE: For a list of rules that have been made effective since January 1, 2020, please see the codification segue page.

NOTE TO RULEFILING AGENCIES: Use the RTF version for submitting rule changes.

R311. Environmental Quality, Environmental Response and Remediation.

Rule R311-204. Underground Storage Tanks: Closure and Remediation.

As in effect on January 1, 2020

Table of Contents

R311-204-1. Definitions.

Definitions are found in Section R311-200.

R311-204-2. Underground Storage Tank Closure Plan.

(a) Owners or operators of all underground storage tanks or any portion thereof which are to be permanently closed or undergo change-in-service shall submit a permanent closure plan to the Director. The permanent closure plan shall be submitted by the owner or operator as fulfillment of the 30-day permanent closure notification requirement in accordance with 40 CFR 280 Subpart G.

(b) If a tank is to be removed as part of corrective action as allowed by 40 CFR 280 Subpart G, the owner or operator is not required to submit a closure plan, but must meet the requirements of 40 CFR 280.66(d) before any removal activity takes place, and must submit a corrective action plan as required by 40 CFR 280.66.

(c) The closure plan shall address applicable issues involved with permanent closure or change-in-service, including: tank disposal handling and final disposal site, product removal, sludge disposal, vapor purging or inerting, removing or securing and capping product piping, removing vent lines or securing vent lines open, tank cleaning, environmental sampling, contaminated soil and water management, in-place tank disposal or tank removal, transportation of tank, permanent disposal and other disposal activities which may affect human health, human safety or the environment.

(d) No underground storage tank shall be permanently closed or undergo change-in-service prior to the owner or operator receiving final approval of the submitted permanent tank closure plan by the Director, except as outlined in Subsection R311-204-2(b). Closure plan approval shall be effective for a period of one year. If the underground storage tank has not been permanently closed or undergone change in service as proposed within one year following approval from the Director, the plan must be re-submitted for approval, unless otherwise approved by the Director.

(e) Permanent closure plans shall be prepared using the current approved form according to guidance furnished by the Director.

(f) The owner or operator shall ensure that the approved permanent closure plan and approval letter are on site during all closure activities.

(g) Any deviation from or modification to an approved closure plan must be approved by the Director prior to implementation, and must be submitted in writing to the Director.

(h) The Director shall be notified at least 72 hours prior to the start of closure activities.

R311-204-3. Disposal.

(a) Tank labeling. Immediately after being removed, all tanks which are permanently closed by removal must be labeled with the following in letters at least two inches high:

(1) the facility identification number, and

(2) "contained petroleum, removed: month/day/year".

(b) Removed tanks shall be expeditiously disposed of as regulated underground storage tanks by the following methods:

(1) The tank may be cut up after the interior atmosphere is first purged or inerted.

(2) The tank may be crushed after the interior atmosphere is first purged or inerted.

(3) The tank may not be used to store food or liquid intended for human or animal consumption.

(4) The tank may be disposed of in a manner approved by the Director.

(c) Tank transportation. Used tanks which are transported on roads of the State of Utah must be cleaned inside the tank prior to transportation, and be free of all product, free of all vapors, or rendered inert during transport.

R311-204-4. Closure Notice.

(a) Owners or operators of underground storage tanks which were permanently closed or had a change-in-service prior to December 22, 1988 shall submit a completed closure notice, unless the tanks were properly closed on or before January 1, 1974.

(b) Owners or operators of underground storage tanks which are permanently closed or have a change-in-service after December 22, 1988 shall submit a completed closure notice form and the following information within 90 days after tank closure:

(1) All results from the closure site assessment conducted in accordance with Section R311-205, including analytical laboratory results and chain of custody forms.

(2) Effective January 1, 1993, a site plat displaying depths and distances such that the sample locations can be determined solely from the site plat. The site plat shall include: scale, north arrow, streets, property boundaries, building structures, utilities, underground storage tank system location, location of any contamination observed or suspected during sampling, location and volume of any stockpiled soil, the extent of the excavation zone, and any other relevant features. All sample identification numbers used on the site plat shall correspond to the chain of custody form and the lab analysis report.

(c) Owners and operators of underground storage tanks that are temporarily closed for a period greater than three months shall submit a completed temporary closure notice within 120 days after the beginning of the temporary closure.

(d) All closure notices for permanent and temporary closure shall be submitted on the current approved forms.

R311-204-5. Remediation.

(a) Any UST release management, abatement, investigation, corrective action or evaluation activities performed for a fee, or in connection with services for which a fee is charged, must be performed under the supervision of a Certified UST Consultant, except as outlined in sections 19-6-402(6)(b)(i), 19-6-402(6)(b)(ii), and R311-204-5(b).

(b) At the time of UST closure, a certified UST Remover may overexcavate and properly dispose of up to 50 cubic yards of contaminated soil per facility, or another volume approved by the Director, in addition to the minimum amount required for closure of the UST. This overexcavation may be performed without the supervision of a certified UST Consultant. Appropriate confirmation samples must be taken by a certified groundwater and soil sampler in accordance with R311-201 for the purpose of determining the extent and degree of contamination.


hazardous substances, petroleum, underground storage tanks

Date of Enactment or Last Substantive Amendment

October 10, 2014

Notice of Continuation

March 27, 2017

Authorizing, Implemented, or Interpreted Law

19-6-105; 19-6-402; 19-6-403

Additional Information


For questions regarding the content or application of rules under Title R311, please contact the promulgating agency (Environmental Quality, Environmental Response and Remediation). A list of agencies with links to their homepages is available at http://www.utah.gov/government/agencylist.html or from http://www.rules.utah.gov/contact/agencycontacts.htm.