What is conifer wood?
Conifer wood is wood that comes from “…predominately evergreen, cone-bearing trees, such as pine, spruce, hemlock, or fir.” Q: What is SWPM? A: SWPM (solid wood packing material) as defined by APHIS (7CFR 319.40-1) is: “Wood packing materials, other than loose wood packing materials, used or for use with cargo to prevent damage, including, but not limited to, dunnage, crating, pallets, packing blocks, drums, cases, spools, and skids.” Most of the wood used for shipping to China meets the definition of SWPM and will be subject to the requirements. Q: What is not SWPM? A: SWPM does not include synthetic or highly processed wood materials used as packing materials. These articles (e.g. plywood, oriented strand board, corrugated paperboard, plastic, and resin composites), while subject to certification, are not subject to the heat treatment requirement. Q: What is heat treatment? A: Heat treatment, as defined by the regulations, is wood that has been heated to a core temperature of 56 de
