#	Standard Interpretations
1	02/23/2004 - 1926.550(a), 1926.550(a)(5), 1926.550(a)(6) - Identification, inspection, and marking of cranes when manufacturer-supplied identifications are unavailable.
2	02/19/2004 - 1926.550(a), 1926.550(a)(17) - Inspection, testing, and operation requirements for Woltman PVE 5021S pile driving equipment.
3	01/16/2003 - 1926.550(a), 1926.550(a)(9) - Necessary precautions required to prevent entry into a swinging superstructure's radius.

#	Federal Register
1	09/25/2001 - 1926.550(a) - 66:49045-49046 - Submission for OMB Review; Comment Request - PDF