The following fires are also permitted:
A. The setting of fires to combat or limit existing fires, when reasonably necessary in the judgment of the responsible government official.
B. The burning of fuels for legitimate campfire, recreational and cooking purposes, or in domestic fireplaces, in areas where such burning is consistent with other laws; provided, that no garbage shall be burned in such cases.
C. The burning of waste gases; provided, that in the case of refineries, all such flares shall be equipped with smokeless tips or comparable devices to reduce pollution.
D. Small open flames for heating tar, for welding, acetylene torches, highway safety flares, and the like. (1996 Code § 11-3)