20D.170.60 Hazardous Waste Treatment and Storage Facilities.

20D.170.60-010 Purpose.

The purpose of the regulations in this section is to ensure that the health of the Redmond community is protected from the potential impacts of hazardous substances. (Ord. 1930 (20C.80.7555))

20D.170.60-020 Classification of Hazardous Waste Treatment and Storage Facilities.

(1) Incidental hazardous waste treatment and storage shall mean storage or treatment of hazardous waste incidental to the primary use occurring on-site such as those substances which may be necessary to manufacture or process certain materials or those substances which are the by-product of a manufacturing or repair process.

(2) Primary hazardous waste storage or treatment shall mean use of a site where hazardous waste is stored or treated as a sole or primary use of the site. Hazardous substances are shipped from other locations to be processed or stored on that site. (Ord. 1930 (20C.80.7560))

20D.170.60-030 Development Standards.

All incidental or primary hazardous waste treatment and storage shall, at a minimum, meet the following conditions:

(1) Primary treatment or storage facilities shall follow all State regulations, pursuant to Chapter 70.105 RCW;

(2) The proposed development or use shall meet all other federal, state and local standards concerning the handling of hazardous substances;

(3) Measures shall be taken in the construction of structures, design of storage areas, and design of delivery areas to prevent release of materials including those resulting from a “worst case” accident and including consideration of large storms where areas are not covered;

(4) The use shall be subject to the sensitive areas regulations in RCDG 20D.140.50-040, Wellhead Protection Zone Performance Standards, and RCDG 20D.140.40-030, Flood Hazard Areas – Development Standards;

(5) Incidental treatment and storage shall meet the additional criteria in either RCDG 20D.170.60-040 or 20D.170.60-050; and

(6) Measures shall be taken to eliminate or mitigate unpleasant odors from occurring on surrounding properties. (Ord. 2180; Ord. 1930 (20C.80.7570))

20D.170.60-040 Standards for Permitted Use/Incidental Storage.

(1) In the commercial zones and Downtown zones, incidental storage of hazardous materials shall be limited to those amounts necessary for the proper function of that business and shall not exceed quantities allowed by the Redmond Fire Department and the International Fire Code. Excess stockpiling shall be prohibited.

(2) In the commercial zones and Downtown zones, storage and handling (except delivery) shall not occur outdoors without Technical Committee approval. Outdoor storage shall be confined to outbuildings, sheds, and other such structures where confinement of leakage or treatment of a spill could be reasonably handled and where exposure to the elements shall not increase the possibility of a spill incident.

(3) Hazardous materials shall not be of a nature that will cause fumes, unpleasant odors, or harm to other tenants in the course of normal handling. This shall not preclude the handling of materials with the use of approved filters, hoods, scrubbers, or other methods of removing odors or harm. (Ord. 2302; Ord. 1930 (20C.80.7580))

20D.170.60-050 Standards for Special Development Permit/Incidental Storage.

(1) In the Business Park zone, on-site storage of hazardous materials will be limited to those amounts necessary for the proper function of that business and shall not exceed quantities allowed by the Redmond Fire Department and the International Fire Code. Excess stockpiling shall be prohibited.

(2) In the Business Park zone, storage and handling (except delivery) shall not occur outdoors.