(225 ILCS 705/15.01) (from Ch. 96 1/2, par. 1501)
Sec. 15.01.
Compressed air shall be conducted from surface compressors, except as provided in Section 15.11, to within a practical working distance
of the face by air lines. Said air lines when new and first installed,
shall be tested to withstand an approximate minimum pressure of 20,000
pounds per square inch.
(Source: Laws 1953, p. 701.)
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