The International Standard for Phytosanitary Measures, Publication #15 or ISPM 15 requirement is the guideline for regulating wood packaging material in international trade. This standard was developed to greatly reduce the Phytosanitary (insect) concerns related to growing global trade and significant spread of non-native pests through wood packaging material. 
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Neville designed and installed a custom, state of the art, 2.2 million BTU Heat Treating Oven, in order to continue to meet ISPM 15 requirements of core temperature of 135 degrees Fahrenheit for a minimum of 33 minutes. 

IPPC HT MARK

The IPPC quality mark is to be applied to finished or assembled wood packaging material such as a pallet or crate. This mark identifies the pallet or crate as exportable and as such meets the heat treatment requirements of ISPM-15.​

HT MARK

The HT quality mark is to be applied to individual pieces of lumber and is to be used by facilities that manufacture or re-manufacture lumber. The customer must have their own IPPC HT Mark to purchase this material from Neville. This is not​ a stamp indicating the lumber is exportable. 

DUNNAGE MARK

The IPPC HT Dunnage mark is to be applied to pieces of exportable material being used to block or brace the inside of a crate or container. Dunnage is defined as lumber used to support a commodity during transit and meets all export requirements.