Directives
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 1  1990 - 02/20/1990 - CPL 02-00-087 [CPL 2.87] - Inspection Procedures for Enforcing the Excavation Standard, 29 CFR 1926, Subpart P

Federal Registers
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 1  1989 - 10/31/1989 - Excavations; Construction; Trenching; Shoring; Sloping; Benching;Final Rule - 54:45894-45991
 2  1988 - 02/23/1988 - Excavation - 53:5280-82
 3  1987 - 06/16/1987 - Excavation - 52:22799
 4  1987 - 04/15/1987 - Excavation - 52:12288-339
 5  1974 - 03/18/1974 - Excavation - 39:10216-23

Standard Interpretations
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 1  2004 - 05/11/2004 - Evaluation of the use of aluminum forms as an exit route from trench excavations.
 2  2003 - 10/23/2003 - Use of hydro-vacuum excavation equipment and other acceptable means to locate underground utility installions.
 3  2001 - 09/21/2001 - Clarification of utility "owner" as used in the Safety and Health Standards for Excavations, Underground Installations.
 4  1995 - 09/21/1995 - Use of explosion proof certified equipment inside of pipes and manholes.
 5  1995 - 08/10/1995 - Fall protection requirements where employees are required or permitted to cross over excavations.
 6  1993 - 10/08/1993 - Confined space standard for general industry.
 7  1993 - 09/23/1993 - Confined space standard for general industry.
 8  1991 - 11/19/1991 - Requirement for Air Sampling in trenches.
 9  1991 - 01/09/1991 - Clarification of Standards
 10  1986 - 02/21/1986 - Clarification of Competent and Qualified Person, as it Relates to Subpart P.
 11  1975 - 11/18/1975 - Clarification of excavations, trenching, and shoring standards.