OSHA excavation standard handbook.
Contributors: United States. Occupational Safety and Health Administration.; J.J. Keller & Associates.
Publisher: J.J. Keller & Associates
Published: 1992
Place of publication: Neenah, WI
Language: eng
Number of pages: 18
Subjects: Excavation -- Standards -- United States.; Shoring and underpinning -- Standards -- United States.
Notes: Cover title.
"29 CFR Parts 1926.650 through 1926.652"--P. 1.