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# Title
 1  2010 - 07/23/2010 - Standards for decompression chambers for use with pressurized face-tunnel boring machines.
 2  1988 - 05/17/1988 - Use of Oxygen for Decompression Underground Tunnel Workers.
 3  1986 - 05/27/1986 - Request for a variance from decompression tables as delineated in 29 CFR 1926.803.
 4  1983 - 11/29/1983 - Work in compressed air and underground tunnelling.
 5  1977 - 11/16/1977 - Positive identification of persons working underground in tunnels and shafts, caissons, cofferdams, compressed air tunnels.

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