Arizona Administrative Code
Title 18 - ENVIRONMENTAL QUALITY
Chapter 13 - DEPARTMENT OF ENVIRONMENTAL QUALITY - SOLID WASTE MANAGEMENT
Article 16 - BEST MANAGEMENT PRACTICES FOR PETROLEUM CONTAMINATED SOIL
Section R18-13-1609 - Treatment Facility
Universal Citation: AZ Admin Code R 18-13-1609
Current through Register Vol. 30, No. 38, September 20, 2024
A. The owner or operator of a PCS treatment facility shall obtain approval from the Department prior to commencement of construction or operation and shall comply with all of the following:
1. Not dilute PCS
as a method of treatment, except as allowed in the approved plan for the
facility;
2. Treat the PCS or, if
the chosen treatment process fails to remediate the soil to below the
regulatory thresholds, dispose of the PCS pursuant to
R18-13-1613.
3. Sample the treated soil and provide the
results of the sampling to the Department within 45 days of completion of the
treatment.
B. A PCS treatment facility designed in accordance with R18-13-1608(B)(1) shall comply with the following specific design criteria:
1. At a minimum, a containment system shall
include a clay, synthetic, concrete, or asphalt liner component which is placed
upon a foundation or prepared subgrade which supports the liner, and resists
pressure gradients above and below the liner, to prevent failure due to
settlement, compression, or uplift.
2. During construction or installation of a
containment system, liners and cover systems shall be inspected for uniformity,
damage, and imperfections. Immediately after construction or installation is
completed, and prior to placement of PCS within the containment system, the
systems shall be checked for both of the following:
a. Synthetic liners and covers shall be
inspected to ensure tight seams and joints and the absence of tears, punctures,
or blisters.
b. Concrete, asphalt,
and soil-based liners and covers shall be inspected for imperfections including
lenses, cracks, channels, root holes, or other structural non-uniformities that
may cause an increase in the permeability of the liner or cover.
3. The liner component shall
consist of one of the following:
a. A
synthetic liner which is compatible with the waste and which has a minimum 6"
buffer layer of sand or soil between the liner and the PCS.
b. A compacted soil or admixed liner provided
with a minimum 6" buffer layer of sand or soil between the liner and the
PCS.
c. An asphalt or reinforced
concrete liner which is not in the drainage area of a dry well and is free of
unsealed cracks and seams.
4. Aeration equipment shall be limited to the
area above the buffer layers indicated in subsections (B)(2)(a) and
(b).
5. The owner or operator of
the facility shall utilize protective measures to ensure containment system
integrity during placement, treatment, or removal of the PCS.
6. PCS stored at a treatment facility prior
to treatment shall be stored in accordance with the requirements of
R18-13-1611.
Disclaimer: These regulations may not be the most recent version. Arizona may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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