Pennsylvania Code (Last Updated: April 5, 2016) |
Title 34. LABOR AND INDUSTRY |
PART I. Department of Labor and Industry |
Chapter 21. Ladders |
Section 21.64. Group four woods
Latest version.
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The following woods shall not be less than 5% larger than spruce in each cross section dimension:
Aspen Populas tremuloides, grandidentata. Basswood Tilia glabra, heterophylla. Buckeye Aesculus octandra, glabra. Butternut Juglans cinerea. Incense cedar Libocedrus decurrens. Western Red cedar Thuja plicata. Chestnut Castanea dentata, pumila. Cottonwood Populas deltoides, deltoides virginiana, heterophylla, balsamifera, sargentii. Black cottonwood Populus trichocarpa, trichocarpa hastata, macdougalii, fremontii. Eastern hemlock Tsuga canadensis. Lodgepole pine Pinus contorta. Northern white pine Pinus strobus. Ponderosa pine Pinus pondersoa, Pinus jeffreyi, (Jeffrey Pine). Sugar pine Pinus lambertiana.
Notation
This section cited in 34 Pa. Code § 21.21 (relating to wood side rails); and 34 Pa. Code § 21.65 (relating to wood for ladder use).