Utah Admin. Code R315-319-64 - Unstable Areas

(a) An existing or new CCR landfill, existing or new CCR surface impoundment, or any lateral expansion of a CCR unit shall not be located in an unstable area unless the owner or operator demonstrates by the dates specified in Subsection R315-319-64(d) that recognized and generally accepted good engineering practices have been incorporated into the design of the CCR unit to ensure that the integrity of the structural components of the CCR unit will not be disrupted.

(b) The owner or operator shall consider all of the following factors, at a minimum, when determining whether an area is unstable:

(1) On-site or local soil conditions that may result in significant differential settling;

(2) On-site or local geologic or geomorphologic features; and

(3) On-site or local human-made features or events, both surface and subsurface.

(c) The owner or operator of the CCR unit shall obtain a certification from a qualified professional engineer stating that the demonstration meets the requirements of Subsection R315-319-64(a).

(d) The owner or operator of the CCR unit shall complete the demonstration required by Subsection R315-319-64(a) by the date specified in either Subsection R315-319-64(d)(1) or (2).

(1) For an existing CCR landfill or existing CCR surface impoundment, the owner or operator shall complete the demonstration no later than October 17, 2018.

(2) For a new CCR landfill, new CCR surface impoundment, or any lateral expansion of a CCR unit, the owner or operator shall complete the demonstration no later than the date of initial receipt of CCR in the CCR unit.

(3) The owner or operator has completed the demonstration required by Subsection R315-319-64(a) when the demonstration has been submitted to and has received approval from the Director and the demonstration is placed in the facility's operating record as required by Subsection R315-319-105(e).

(4) An owner or operator of an existing CCR surface impoundment or existing CCR landfill who fails to demonstrate compliance with the requirements of Subsection R315-319-64(a) by the date specified in Subsection R315-319-64(d)(1) is subject to the requirements of Subsection R315-319-101(b)(1) or (d)(1), respectively.

(5) An owner or operator of a new CCR landfill, new CCR surface impoundment, or any lateral expansion of a CCR unit who fails to make the demonstration showing compliance with the requirements of Subsection R315-319-64(a) is prohibited from placing CCR in the CCR unit.

(e) The owner or operator of the CCR unit shall comply with the recordkeeping requirements specified in Subsection R315-319-105(e), the notification requirements specified in Subsection R315-319-106(e), and the Internet requirements specified in Subsection R315-319-107(e).

Notes

Utah Admin. Code R315-319-64

Adopted by Utah State Bulletin Number 2016-18, effective 9/1/2016