Oregon Department of Environmental Quality

Rule Rule 340-096-0060
Special Rules Pertaining to Composting: Applicability

(1)

No person may construct or operate a composting facility except as provided in this rule.

(2)

All composting facilities must comply with 340-096-0070 (Special Rules Pertaining to Composting: Performance Standards): Performance Standards.

(3)

All composting facilities, except those composting facilities exempt under (3)(a) of this rule, must comply with OAR 340-096-0080 (Special Rules Pertaining to Composting: Screening): Screening.

(a)

A facility with composting activities limited to one or more of the following is exempt from the requirements of OAR 340-096-0080 (Special Rules Pertaining to Composting: Screening): Screening, 340-096-0090 (Special Rules Relating to Composting: Operations Plan Approval): Operations Plan Approval, 340-096-100: Registration, and 340-096-0110 (Special Rules Pertaining to Composting: Composting Permit): Composting Permit, unless the department determines the composting facility may adversely affect human health or the environment:

(A)

A composting facility composting less than 100 tons of Type 1 feedstock, Type 2 feedstock, or both during any calendar year;

(B)

A composting facility composting less than 20 tons of Type 3 feedstock during any calendar year;

(C)

A composting facility composting less than 40 tons of Type 3 feedstock in any calendar year when conducting in-vessel composting in containers designed to prohibit vector attraction and prevent nuisance and odor generation;

(D)

A composting facility that produces silage on a farm for animal feed;

(E)

A home composting facility; and

(F)

A composting facility that is being operated in conjunction with a Confined Animal Feeding Operation permitted by the Oregon Department of Agriculture that is in compliance with a composting facility management plan approved by the Oregon Department of Agriculture that meets the requirements of OAR 340-096-0090 (Special Rules Relating to Composting: Operations Plan Approval) and for which the Oregon Department of Agriculture is providing oversight under an agreement with the department. The Oregon Department of Agriculture may require that a facility that qualifies for a department exemption under this paragraph comply with OAR 340-096-0080 (Special Rules Pertaining to Composting: Screening): Screening.

(4)

All composting facilities that are determined by the department to present more than a low risk to human health or the environment under OAR 340-096-0080 (Special Rules Pertaining to Composting: Screening)(3)(b): Screening, except those facilities that are exempt under (3)(a) of this rule, must comply with OAR 340-096-0090 (Special Rules Relating to Composting: Operations Plan Approval): Operations Plan Approval and OAR 340-096-0110 (Special Rules Pertaining to Composting: Composting Permit): Composting Permit.

(5)

Any composting facility in operation before September 14, 2009 that submitted materials required by OAR 340-096-0080 (Special Rules Pertaining to Composting: Screening): Screening, by March 15, 2010 may continue in operation pending a determination by the department under OAR 340-096-0080 (Special Rules Pertaining to Composting: Screening): Screening and issuance by the department of a Registration under OAR 340-096-0100 (Special Rules Relating to Composting: Registration): Registration or a Composting Permit under OAR 340-096-0110 (Special Rules Pertaining to Composting: Composting Permit): Composting Permit. Any anaerobic digestion facility possessing a solid waste treatment facility permit on August 22, 2013 may either continue to operate under the solid waste treatment facility permit, or may apply for a composting facility permit or registration under OAR 340-096-0080 (Special Rules Pertaining to Composting: Screening)(3)(b): Screening.

(6)

Any person proposing to begin operation of a new composting facility or to substantially modify an existing facility, where such a facility is not exempt under section (3) of this rule, must comply with OAR 340-096-0080 (Special Rules Pertaining to Composting: Screening): Screening and provide to the department the information required by OAR 340-096-0080 (Special Rules Pertaining to Composting: Screening)(1) at least 180 days before the facility is proposed to begin operation.
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Last accessed
Jun. 8, 2021

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