Washington Administrative Code
Title 173 - Ecology, Department of (See also Titles 197, 317, 372, and 508)
Chapter 173-350 - Solid waste handling standards
Section 173-350-320 - Piles used for storage or treatment
Current through Register Vol. 24-06, March 15, 2024
(1) Piles used for storage or treatment - Applicability.
(2) Piles used for storage or treatment - Permit exemptions. In accordance with RCW 70.95.305, facilities managing solid wastes in piles meeting the conditions listed in Table 320-A and the conditions of (a) of this subsection are exempt from solid waste handling permitting. If a facility does not operate in compliance with the terms and conditions established for an exemption under this subsection, the facility may be subject to the permitting requirements for solid waste handling under this chapter. In addition, violations of the terms and conditions of this subsection may be subject to the enforcement provisions of RCW 70.95.315.
Table 320-A
Terms and Conditions for Solid Waste Permit Exemptions
Waste Materials |
Volume, Storage Time, and Capacity Requirements |
Specific Requirements for Activity or Operation |
|
(1) |
Wood waste, wood-derived fuel, nonfer-rous metals, brick, cured concrete, or asphaltic materials. |
Up to 250 cubic yards of total material on-site. No storage time limit. |
No notification or reporting requirements. |
(2) |
Agricultural waste and on-farm vegetative wastes stored on farms. |
No volume limit. The duration of storage of the entire pile is limited to one year and limited to the amount that will be applied to a site during a one-year period. Subsequent accumulation under the same conditions is allowed at the same location after the entire pile has been used. |
No notification or reporting requirements. |
(3) |
Wood waste, wood-derived fuel and non-ferrous metals. |
Over 250 cubic yards up to 2,000 cubic yards total material on-site. At the end of each calendar year, the facility must have removed at least fifty percent of the sum of the volume of all waste present at the start of the calendar year and of the volume of all waste accepted during the calendar year. For example: A facility begins the calendar year with 300 CY of wood waste on hand. The facility accepts 400 CY during the calendar year. In order to meet this exemption requirement, at least 0.5 x (300 + 400) = 350 CY must be removed from the facility by the end of the calendar year, leaving no more than 350 CY on hand. |
(a) Thirty days prior to operation, facilities must submit a notification of intent to operate as a conditionally exempt facility to the jurisdictional health department and the department. Notice of intent must be submitted on a form provided by the department and must be complete; (b) Maintain records on the volume of wastes received, processed, and moved off-site for five years; and (c) Prepare and submit an annual report to the department and the jurisdictional health department by April 1st on forms supplied by the department. The annual report must detail the facility's activities during the previous calendar year and must include the following information: (i) Name and address of the facility; (ii) Calendar year covered by the report; (iii) Annual quantities and types of solid waste handled by the facility, including amounts received, amounts removed and where it went, and the amount of waste remaining at the facility at year's end, in cubic yards; and (iv) Any additional information required by the department. |
(4) |
Brick, cured concrete, or asphaltic material facilities with a water quality sand and gravel or construction storm-water general permit. |
Over 250 cubic yards; no upper volume limit. |
Facilities that recycle these wastes must comply with the recycling standards in WAC 173-350-210, including notification and reporting. |
(5) |
Temporary piles of contaminated soils and contaminated dredged material. |
No volume limit. All contaminated soils and contaminated dredged materials are removed from the site within ninety days. If new materials are placed on site at any time after ninety days has elapsed from the first delivery, a permit is required. |
No notification or reporting requirements. |
(6) |
Temporary piles of contaminated soils and contaminated dredged material with a construction storm-water general permit. |
No volume limit. |
No notification or reporting requirements. |
(3) Piles used for storage or treatment - Permit requirements - Location. There are no specific location standards for piles subject to this chapter; however, waste piles must meet the performance standards of WAC 173-350-040.
(4) Piles used for storage or treatment - Permit requirements - Design. Piles used for storage or treatment of solid waste must be designed so that the facility can be operated to meet the performance standards of WAC 173-350-040, and the following design standards:
(5) Piles used for storage or treatment - Permit requirements - Documentation.
(6) Piles used for storage or treatment - Permit requirements - Operating. The owner or operator of piles used for storage or treatment must:
(7) Piles used for storage or treatment - Permit requirements - Groundwater monitoring. There are no specific groundwater monitoring requirements for piles used for storage and treatment subject to this chapter; however, waste piles must meet the performance standards of WAC 173-350-040.
(8) Piles used for storage or treatment - Permit requirements - Closure. The owner or operator of piles used for storage or treatment must develop, keep, and follow a closure plan that addresses:
(9) Piles used for storage or treatment - Permit requirements - Financial assurance. There are no specific financial assurance requirements for piles used for storage or treatment subject to this chapter; however, waste piles must meet the performance standards of WAC 173-350-040.
(10) Piles used for storage or treatment - Permit application contents. The owner or operator of piles used for storage or treatment must obtain a permit from the jurisdictional health department. All applications for permits must be submitted in accordance with the procedures established in WAC 173-350-710. In addition to the requirements of WAC 173-350-710 and 173-350-715, each application for a permit must contain:
Statutory Authority: Chapter 70.95 RCW. 03-03-043 (Order 99-24), § 173-350-320, filed 1/10/03, effective 2/10/03.