(1) Purpose. This section contains requirements for preventing or minimizing the consequences of catastrophic releases of toxic, reactive, flammable, or explosive chemicals. These releases may result in toxic, fire, or explosion hazards.
(2) Application.
(a) This part applies to the following:
(i) A process which involves a chemical at or above the specified threshold quantities listed in WAC
296-67-285, Appendix A;
(ii) A process which involves a Category 1 flammable gas (as defined in WAC
296-901-14006) or a flammable liquid with a flashpoint below 100°F (37.8°C) on site in one location, in a quantity of 10,000 pounds (4535.9 kg) or more except for:
(A) Hydrocarbon fuels used solely for workplace consumption as a fuel (e.g., propane used for comfort heating, gasoline for vehicle refueling), if such fuels are not a part of a process containing another highly hazardous chemical covered by this standard;
(B) Flammable liquids with a flashpoint below 100°F (37.8°C) stored in atmospheric tanks or transferred which are kept below their normal boiling point without benefit of chilling or refrigeration.
(b) This part does not apply to:
(i) Retail facilities;
(ii) Oil or gas well drilling or servicing operations; or
(iii) Normally unoccupied remote facilities.
[Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050,
49.17.060 and 29 C.F.R. 1910 Subpart Z. WSR 14-07-086, § 296-67-001, filed 3/18/14, effective 5/1/14. Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050,
49.17.060. WSR 07-03-163, § 296-67-001, filed 1/24/07, effective 4/1/07. Statutory Authority: Chapter
49.17 RCW. WSR 92-17-022 (Order 92-06), § 296-67-001, filed 8/10/92, effective 9/10/92.]