1. (1) Storage materials. Magazines cannot be used for storage of metal tools or any commodity other than:

   1. (a) Explosives;
   2. (b) Blasting agents;
   3. (c) Blasting supplies.

2. (2) Black powder.

   1. (a) Black powder must be stored separately from other explosives in a magazine.
   2. (b) Kegs must be stored on end, bungs down, on sides, seams down.

3. (3) Age/or date mark. Explosives that are not already age/or date marked by the manufacturer, must be marked with the manufacturing date before being stored in the magazine.

   Note:

   Unidentified explosives confiscated by law enforcement may be marked with the confiscation date, if the manufacturer's date is unknown.

4. (4) Grades and brands.

   1. (a) Identical grades and brands of explosives must be stored together, with the brands and grade marks showing.
   2. (b) Explosive materials must be stored so they can be easily checked and counted.

5. (5) Package placement. Explosive packages must be:

   1. (a) Placed right side up;
   2. (b) Stacked so they are stable.

6. (6) Ventilation. Explosive material cannot be:

   1. (a) Stored where they could interfere with ventilation; or

   2. (b) Placed less than two inches from the interior walls.

      Note:

      Nonsparking lattice or other nonsparking material may be used to prevent contact of stored explosive material with interior walls.

7. (7) Housekeeping.

   1. (a) Magazine floors must be:

      1. (i) Regularly swept and the sweepings properly disposed of;
      2. (ii) Kept clean and dry;
      3. (iii) Free of grit, paper, and used packages or rubbish.
   2. (b) Brooms and other cleaning tools cannot have any spark producing metal parts.
   3. (c) Floors stained with nitroglycerin must be cleaned according to the manufacturer's instructions.

8. (8) Unpacking or repacking explosives.

   1. (a) Containers of explosives (except for fiberboard or other nonmetal containers) cannot be unpacked or repacked:

      1. (i) In a magazine;
      2. (ii) Within fifty feet of a magazine; or
      3. (iii) Near other explosives.
   2. (b) Opened packages of explosives must be securely closed before returning them to a magazine.
   3. (c) Tools used for opening packages of explosives must be constructed of nonsparking materials.
   4. (d) A wood wedge and a fiber, rubber, or wood mallet must be used for opening or closing wooden crates of explosives.

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-16-132, § 296-52-69030, filed 8/1/17, effective 9/1/17. Statutory Authority: RCW 49.17.010, [49.17].040, and [49.17].050. WSR 02-03-125, § 296-52-69030, filed 1/23/02, effective 3/1/02.]