Code of Federal Regulations > Title 40 > Chapter I > Part 63 > Subpart DDDD > Appendix - Table 11 to Subpart DDDD of Part 63

Regulations last checked for updates: Jul 11, 2026

Title 40 - Protection of Environment last revised: Aug 11, 2026

Appendix - Table 11 to Subpart DDDD of Part 63—Lumber Minimum Moisture Content Limits

Table 11 to Subpart DDDD of Part 63—Lumber Minimum Moisture Content Limits

If the maximum lumber moisture specification (weight percent, dry basis) is . . .	The minimum kiln-dried lumber moisture content (weight percent, dry basis) is . . .
22 or more	15
19-21	12
18	11
17	10
16	9
15	8
14	7
13	6
10-12	5
9	4.5
8	4
7	3.5
6	3

[91 FR 41463, July 6, 2026]

authority: 42 U.S.C. 7401

source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.