# Regulations
1 - - Site clearing.
# Directives
1 - 1926.604(a)(2)(i) - National - STD 01-15-005 [STD 1-15.5] - Clarification of 29CFR 1926.604(a)(2)(i) and (ii) Concerning the Applicability of 1/2-Inch Plastic Sheets as a Substitute for Open Mesh Material