Magazines containing detonators and electric detonators must be separated from:

1. (1) Other magazines with similar contents; or

2. (2) Magazines containing explosives.

   Note:

   Definitions of barricade including artificial and natural barricade can be found in WAC 296-52-60130, Definitions.

   Table H-21

   QUANTITY AND DISTANCETABLE FOR SEPARATIONBETWEEN MAGAZINESCONTAINING EXPLOSIVES	Separation Distancein Feet BetweenMagazines
   Pounds Over	Pounds Not Over	NotBarricaded	Barricaded
   2		5		12		6
   5		10		16		8
   10		20		20		10
   20		30		22		11
   30		40		24		12
   40		50		28		14
   50		75		30		15
   75		100		32		16
   100		125		36		18
   125		150		38		19
   150		200		42		21
   200		250		46		23
   250		300		48		24
   300		400		54		27
   400		500		58		29
   500		600		62		31
   600		700		64		32
   700		800		66		33
   800		900		70		35
   900		1,000		72		36
   1,000		1,200		78		39
   1,200		1,400		82		41
   1,400		1,600		86		43
   1,600		1,800		88		44
   1,800		2,000		90		45
   2,000		2,500		98		49
   2,500		3,000		104		52
   3,000		4,000		116		58
   4,000		5,000		122		61
   5,000		6,000		130		65
   6,000		7,000		136		68
   7,000		8,000		144		72
   8,000		9,000		150		75
   9,000		10,000		156		78
   10,000		12,000		164		82
   12,000		14,000		174		87
   14,000		16,000		180		90
   16,000		18,000		188		94
   18,000		20,000		196		98
   20,000		25,000		210		105
   25,000		30,000		224		112
   30,000		35,000		238		119
   35,000		40,000		248		124
   40,000		45,000		258		129
   45,000		50,000		270		135
   50,000		55,000		280		140
   55,000		60,000		290		145
   60,000		65,000		300		150
   65,000		70,000		310		155
   70,000		75,000		320		160
   75,000		80,000		330		165
   80,000		85,000		340		170
   85,000		90,000		350		175
   90,000		95,000		360		180
   95,000		100,000		370		185
   100,000		110,000		380		195
   110,000		120,000		410		205
   120,000		130,000		430		215
   130,000		140,000		450		225
   140,000		150,000		470		235
   150,000		160,000		490		245
   160,000		170,000		510		255
   170,000		180,000		530		265
   180,000		190,000		550		275
   190,000		200,000		570		285
   200,000		210,000		590		295
   210,000		230,000		630		315
   230,000		250,000		670		335
   250,000		275,000		720		360
   275,000		300,000		770		385

   Note:

   With site-specific department approval, a stand of mature timber may qualify as a natural barricade. The timber must be dense enough so the area requiring protection cannot be seen from the magazine when the trees are bare of leaves.

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-16-132, § 296-52-69110, 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, § 296-52-69110, filed 1/23/02, effective 3/1/02.]