WAC 16-229-020   Secondary containment of liquid bulk pesticides -- General requirements.  Primary storage of bulk liquid pesticides at a permanent storage facility shall be located within secondary containment designed to prevent the release of discharged pesticides. Secondary containment shall consist of:

     (1) A wall and liner with a sloped floor as provided in WAC 16-229-030 and 16-229-040; or

     (2) A prefabricated facility as provided in WAC 16-229-050.

     (3) Secondary containment in operation prior to March 1, 1994, which does not have sloped floors shall be exempt from this section: Provided, That upon alteration to the secondary containment or increase of storage volume, the secondary containment shall be brought into full compliance with this section.



[Statutory Authority: Chapters 15.58 and 17.21 RCW. 00-23-074, § 16-229-020, filed 11/17/00, effective 12/18/00. Statutory Authority: RCW 15.54.800 and 15.58.040. 93-22-093 (Order 5018), § 16-229-020, filed 11/2/93, effective 3/1/94.]