Dielectric heating is a newly approved treatment for wood packaging material that uses heat from electromagnetic energy to disinfest the wood. The International Plant Protection Convention’s Commission on Phytosanitary Measures (CPM) approved dielectric heating as a phytosanitary treatment for wood packaging material as part of the International Standards for Phytosanitary Measures (ISPM) No. 15, Regulation of wood packaging material in international trade. This quick guide provides additional information on dielectric heating as a phytosanitary treatment for wood packaging material. It is for information only.