Storage. Magazines containing explosives shall be located
at distances from neighboring buildings, highways and railroads in
conformity with the American Quantity and Distance Table, provided
that one (1) portable magazine kept securely locked and conspicuously
marked "MAGAZINE—EXPLOSIVES!" containing not more than fifty
(50) pounds of explosives may be allowed in a building not occupied
as a dwelling or place of public assembly if placed on wheels and
located not more than ten (10) feet from, on the same floor with,
and directly opposite to the entrance on the floor nearest the street
level and one (1) similar portable magazine containing not more than
five thousand (5,000) blasting caps may be allowed if placed on wheels
and located on the floor nearest the street level. Blasting caps or
detonators of any kind shall not be kept in the same magazine with
other explosives.