WAC 16-229-120
Primary containment of bulk liquid
pesticides -- Abandoned storage containers. (1) Storage containers
used at a permanent storage facility, or used for temporary field
storage to hold liquid bulk pesticide or pesticide rinsate are
considered abandoned if they have been out of service for more
than six consecutive months because of a weakness or leak, or
have been out of service for any reason for more than two years
without an integrity test having been performed.
(2) Abandoned underground storage containers containing
pesticides which meet the definition of hazardous substance
underground storage tank system in chapter 173-360 WAC are
subject to the applicable requirements in that chapter.
(3) Abandoned above ground storage containers shall be
thoroughly cleaned. All hatches on the storage containers shall
be secured and all valves or connections shall be severed or
plugged with vents being left functional.
(4) Abandoned above ground storage containers shall be
posted with a clearly legible tag with the words "Out of
Service."
(5) Abandoned storage containers shall not be allowed to be
put back in service on the same site without first installing
secondary containment protection.
[Statutory Authority: Chapters 15.58 and 17.21 RCW. 00-23-074,
§ 16-229-120, filed 11/17/00, effective 12/18/00. Statutory
Authority: RCW 15.54.800 and 15.58.040. 93-22-093 (Order 5018),
§ 16-229-120, filed 11/2/93, effective 3/1/94.]