DSHW-2024-009244

Fact Sheet of Closure Requirements for
Large Quantity Generators of Hazardous
Waste
November 2024
The purpose of this document is to provide guidance on the closure process for Large Quanty
Generators (LQGs) who generated and stored hazardous waste in Resource Conservaon and Recovery
Act (RCRA) regulated accumulaon units including container areas, tanks, drip pads, containers, and
containment buildings, etc.
What is Closure?
The term closure is used when a RCRA regulated unit or facility is taken out of service. Closure can
be temporary or permanent.
Who is Subject to Large Quantity Generator LQG Closure?
Any generator who is or was a large quantity generator of hazardous waste for any calendar month
and who accumulated hazardous waste in containers, tanks, drip pads, or containment buildings
prior to closing the unit at the facility or prior to closing the facility is subject to the LQG closure
requirements under Utah Administrative Code R31526217(a)8.
What are the RCRA Closure Performance Standards?
● Minimize the need for further maintenance by controlling, minimizing, or eliminating the
release of hazardous waste, hazardous waste constituents, leachate, contaminated run-o,
or hazardous waste decomposition products into the environment after the closure.
● Remove or decontaminate all contaminated equipment, structures and soil and any
remaining hazardous waste residues from waste accumulation units including containment
system components (pads, liners, etc.), contaminated soils and subsoils, bases and
structures and equipment contaminated with waste to background level, unless Utah
Admin. Code R3152613(d) applies.
● Any hazardous waste generated during the process of closing the facility or unit must be
managed in accordance with the hazardous waste regulations in Utah Admin. Code
R315262, R315263 R315265, and R315268, including removing any hazardous waste within
90 days of generation and managing the wastes in a RCRA Subtitle C hazardous waste
treatment, storage, or disposal facility TSDF.
What if I can’t meet the closure standards?
If the LQG cannot meet the closure standards, then the LQG must enter into an enforceable
agreement with the Director to meet risk-based closure standards in Utah Admin. Code R315101
or the unit is considered a landfill and must comply with the requirements in 40 CFR 265.310.
What Steps Do I Take For Closure Notification?
Every LQG is required to prepare and submit documentation EPA form 870012 within specified
time frames prior to and after the closure of a facility or waste accumulation unit, in accordance with
Utah Admin. Code R31526217(a)8(ii). However, the steps are slightly dierent for a waste
accumulation unit vs. an entire facility .
Closure of a hazardous waste accumulation unit
Option 1: Place a notice in the operating record within 30 days after closure that identifies the
location of the unit within the facility. This notice should document the geographic location and
the condition at the time of closure.
Option 2: Meet the closure performance standards for the unit as described above. Within 90 days
of closing, notify the Director to certify whether closure performance standards were met.
Closure of an entire facility
Step 1. At least 30 days prior to closure, notify the Director by submiing form 870012 to the
Director and include the expected closure date.
Step 2. If you need more time to close, notify the Director within 75 days of initial notification.
Step 3. Within 90 days of closure, notify the Director to certify whether closure performance
standards were met.
Use this chart below to define the scope of closure that is needed.
Contact the Division of Waste Management and Radiation Control as soon as possible to
guide you through the process or to answer any questions you may have. 801 5360200.