ATF eRegulations

§ 555.219 Table of distances for storage of low explosives.

1. Pounds		From inhabited building distance (feet)	From public railroad and highway distance (feet)	From above ground magazine (feet)
   Over	Not over
   0	1,000	75	75	50
   1,000	5,000	115	115	75
   5,000	10,000	150	150	100
   10,000	20,000	190	190	125
   20,000	30,000	215	215	145
   30,000	40,000	235	235	155
   40,000	50,000	250	250	165
   50,000	60,000	260	260	175
   60,000	70,000	270	270	185
   70,000	80,000	280	280	190
   80,000	90,000	295	295	195
   90,000	100,000	300	300	200
   100,000	200,000	375	375	250
   200,000	300,000	450	450	300

2. TABLE: DEPARTMENT OF DEFENSE AMMUNITION AND EXPLOSIVES STANDARDS, TABLE 5-4.1 EXTRACT; 4145.27 M, MARCH 1969