Pennsylvania Code (Last Updated: April 5, 2016) |
Title 34. LABOR AND INDUSTRY |
PART I. Department of Labor and Industry |
Chapter 21. Ladders |
Section 21.68. Density
Latest version.
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The following species meet the density requirements calling for at least 1/3 summerwood, as measured along an average radial line on one of the piece:
(1) Douglas fir (dense).
(2) Southern pine (dense).
Notation
This section cited in 34 Pa. Code § 21.21 (relating to wood side rails).