16-229-030  <<  16-229-040 >>   16-229-050

WAC 16-229-040

Secondary containment of liquid bulk pesticides—Synthetic liners.

(1) A synthetic liner may be used to meet the applicable standards set forth in WAC 16-229-030.
(2) Synthetic liners shall be chemically compatible with the materials being stored within the permanent storage facility and have a minimum thickness of 30 mils +/- 1 mil. A written confirmation of compatibility and a written estimate of the life of the liner from the manufacturer shall be kept on file at the permanent storage facility or the nearest local office from which the permanent storage facility is administered.
(3) Synthetic liners shall be installed under the supervision of a qualified representative of the manufacturer, a contractor certified by the manufacturer, or a certified engineer. All field constructed seams shall be tested, and repaired if necessary, in accordance with the manufacturer[']s recommendations.
[Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 00-23-074, § 16-229-040, filed 11/17/00, effective 12/18/00. Statutory Authority: RCW 15.54.800 and 15.58.040. WSR 93-22-093 (Order 5018), § 16-229-040, filed 11/2/93, effective 3/1/94.]
Reviser's note: RCW 34.05.395 requires the use of underlining and deletion marks to indicate amendments to existing rules, and deems ineffectual changes not filed by the agency in this manner. The bracketed material in the above section does not appear to conform to the statutory requirement.
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