Washington Administrative Code
Title 173 - Ecology, Department of (See also Titles 197, 317, 372, and 508)
Chapter 173-306 - Special incinerator ash management standards
Section 173-306-480 - Treatment (including solidification and stabilization) standards
Universal Citation: WA Admin Code 173-306-480
Current through Register Vol. 24-06, March 15, 2024
(1) Applicability. The standards of this section apply to treatment, as defined in WAC 173-306-100, of any special incinerator ash subject to this chapter. These standards do not apply to the manual or mechanical removal of ferrous metal from ash residues.
(2) Requirements. All owners and operators shall design, construct, operate, maintain, and close treatment facilities so as to:
(a) Meet the general facility standards
of WAC 173-306-405;
(b) Only treat special incinerator ash in
tanks, reaction vessels, furnaces (such as glass furnaces), containers, or
totally enclosed treatment facilities (such as pipelines). No treatment process
may be designed to occur in ash piles, surface impoundments, or land treatment
facilities;
(i) The department shall review
and approve tank and reaction vessel design. All tanks and reaction vessels
will be closed or otherwise designed to avoid emissions of dusts or vapors to
the atmosphere. Tanks and reaction vessels must be of sufficient thickness and
corrosion resistance to prevent rupture;
(ii) Totally enclosed treatment facilities
must be in good condition and of a design and construction to avoid rupture
under maximum operating conditions and must be capable of being inspected
periodically; and
(iii) Furnaces
must be in good condition structurally, designed and operated to accept only
special incinerator ash and capable of being inspected periodically. The
department may review and approve furnace design.
(c) Meet the performance standards of WAC
173-306-440(2).
The department shall specify the type and frequency of all sampling and
monitoring necessary to assure compliance.
(d) Assure that treatment of special
incinerator ash occurs under conditions spelled out in prototype, pilot plant
or full scale operation. The design must be approved by the department and the
department shall specify operating conditions.
(e) Control fugitive dust emissions in the
handling of special incinerator ash by:
(i)
Collecting and handling in enclosed buildings or the equivalent (e.g., covered
conveyors and transfer points); and
(ii) Adding moisture, dust suppressants, or
other methods as necessary.
(f) Comply with chapter 296-62 WAC, the
general occupational health standards.
(g) Assure that treated special incinerator
ash is disposed of according to this chapter or chapter 173-304 WAC, the
minimum functional standards for solid waste, if the residues are designated as
solid waste.
(h) Close the
treatment facility according to the requirements of WAC
173-306-410.
Statutory Authority: Chapter 70.138 RCW. 00-19-018 (Order 00-17), § 173-306-480, filed 9/8/00, effective 10/9/00; 90-10-047, § 173-306-480, filed 4/30/90, effective 5/31/90.
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