45.1-161.290 - Auger hole penetration of underground mines; testing.
§ 45.1-161.290. Auger hole penetration of underground mines; testing.
A. A qualified person shall, using approved devices, test for methane anddeficiency of oxygen when an auger hole penetrates a worked-out area of anunderground mine.
B. Internal combustion engines shall not be operated in the vicinity of anauger hole where tests for methane and oxygen deficiency are being conducted.
C. If methane is detected or a deficiency of oxygen is found to exist nofurther work shall be performed until the atmosphere has been made safe.
(1994, c. 28; 1999, c. 256.)