WAC 296-52-70030
WAC 296-52-70030. Type 3 magazines: Indoor storage facilities
(1) Detonators in quantities of one thousand or less;
(2) Ammonium perchlorate rocket motors in 62.5 gram amounts or greater, but not to exceed fifty pounds in total weight of explosives; or
(3) Diversionary devices intended for law enforcement use only, but not to exceed fifty pounds in total weight of explosives.