WAC 173-182-325. Planning standards for dispersants

(1) Plan holders carrying, handling, storing, or transporting Group 2, 3, or 4 persistent oil that is known to be dispersible and that may impact when spilled in any area where preapproval or case-by-case use of dispersants is available as per the NWACP, must plan for the use of dispersants. (2) The plan holder must identify the locations of dispersant stockpiles, and dispersant type, capable of dispersing the lesser of five percent of the worst case spill volume or twelve thousand barrels per day, using a dispersant to oil ratio of one to twenty. (3) The plan holder must describe the methods of transporting equipment and supplies to a staging area, and appropriate aircraft or vessels to apply the dispersant and monitor its effectiveness. (4) The plan holder must describe operational support capability, including the platforms and spotters used to deploy dispersants, monitor the operational efficacy of the dispersant application to support operational decision making, and ensure safety of response personnel. (5) These resources must be capable of being on-scene within twelve hours of spill notification.