Lumber Program | |||||||||
Summary |
FPL-GTR-189 - History of Lumber Submissions under ASTM D 1990 since the North American In-Grade Testing Program
Published
by the USDA Forest Service, Forest Products Laboratory Abstract: The framework of ASTM D 1990 has been used numerous times to determine design values for development of imported and domestic species since ASTM D 1990 was first utilized in 1991 to determine allowable properties for the major commercial species in North America. The interpretations of this standard and judgments applied to these submissions are described in this report. The major issues that have been sources of controversy in D 1990 are also summarized.
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Accredited Agency List | |||||||||
Grading Rules | |||||||||
Organizations | |||||||||
Enforcement Regs. | |||||||||
Foreign Lbr. Policy | |||||||||
Glued Lbr. Policy | |||||||||
Machine Graded | |||||||||
Policy | |||||||||
Recommended | |||||||||
Spans for Decking | |||||||||
Survey | |||||||||
Methodology | |||||||||
Contract | |||||||||
Addt'l Documents | |||||||||
PS 20 | |||||||||
FPL-GTR-189 |
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