29 CFR § 1926.107 - Definitions applicable to this subpart.
---identifier: "/us/cfr/t29/s1926.107"source: "ecfr"legal_status: "authoritative_unofficial"title: "29 CFR § 1926.107 - Definitions applicable to this subpart."title_number: 29title_name: "Labor"section_number: "1926.107"section_name: "Definitions applicable to this subpart."chapter_name: "OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"part_number: "1926"part_name: "SAFETY AND HEALTH REGULATIONS FOR CONSTRUCTION"positive_law: falsecurrency: "2026-03-24"last_updated: "2026-03-24"format_version: "1.1.0"generator: "[email protected]"authority: "40 U.S.C. 3704; 29 U.S.C. 653, 655, and 657; and Secretary of Labor's Order No. 12-71 (36 FR 8754), 8-76 (41 FR 25059), 9-83 (48 FR 35736), 1-90 (55 FR 9033), 6-96 (62 FR 111), 3-2000 (65 FR 50017), 5-2002 (67 FR 65008), 5-2007 (72 FR 31159), 4-2010 (75 FR 55355), 1-2012 (77 FR 3912), or 8-2020 (85 FR 58393), as applicable; and 29 CFR part 1911, unless otherwise noted"regulatory_source: "44 FR 8577, Feb. 9, 1979; 44 FR 20940, Apr. 6, 1979, unless otherwise noted."cfr_part: "1926"---
Identifier
/us/cfr/t29/s1926.107
Currency
2026-03-24
Positive Law
No
Updated
2026-03-24
Chapter
Occupational Safety and Health Administration, Department of Labor
Authority
40 U.S.C. 3704; 29 U.S.C. 653, 655, and 657; and Secretary of Labor's Order No. 12-71 (36 FR 8754), 8-76 (41 FR 25059), 9-83 (48 FR 35736), 1-90 (55 FR 9033), 6-96 (62 FR 111), 3-2000 (65 FR 50017), 5... 40 U.S.C. 3704; 29 U.S.C. 653, 655, and 657; and Secretary of Labor's Order No. 12-71 (36 FR 8754), 8-76 (41 FR 25059), 9-83 (48 FR 35736), 1-90 (55 FR 9033), 6-96 (62 FR 111), 3-2000 (65 FR 50017), 5-2002 (67 FR 65008), 5-2007 (72 FR 31159), 4-2010 (75 FR 55355), 1-2012 (77 FR 3912), or 8-2020 (85 FR 58393), as applicable; and 29 CFR part 1911, unless otherwise noted
# 1926.107 Definitions applicable to this subpart.(a) *Contaminant* means any material which by reason of its action upon, within, or to a person is likely to cause physical harm.(b) *Lanyard* means a rope, suitable for supporting one person. One end is fastened to a safety belt or harness and the other end is secured to a substantial object or a safety line.(c) *Lifeline* means a rope, suitable for supporting one person, to which a lanyard or safety belt (or harness) is attached.(d) *O.D.* means optical density and refers to the light refractive characteristics of a lens.(e) *Radiant energy* means energy that travels outward in all directions from its sources.(f) *Safety belt* means a device, usually worn around the waist which, by reason of its attachment to a lanyard and lifeline or a structure, will prevent a worker from falling.[44 FR 8577, Feb. 9, 1979]