The NHLA Heat Treatment Audit Program was
established in July 2001 to serve the needs of lumber
and wood packing products producers.
The purpose of the program is to certify the
conformance of heat treated lumber and pallets,
crates and boxes to the international quality standards
per International Plant Protection Convention (IPPC)
Guidelines. These standards call for phytosanitary
measures aimed at reducing the risk of introduction
and/or spread of quarantine pests, such as the
Asian Long-Horned Beetle, associated with wood
packaging material, including dunnage, made from
coniferous and non-coniferous green lumber.

Use the links below to access important
HT information:

Alert! Effective April 1, 2007,
Japan will implement IPPC-15 standards

• NHLA Heat Treatment Updates and Facts
• ~ Splinters~Helpful Articles about the HT Program_
• ~ Splinters~COOKED PLYWOOD & RAW MEAT – A Discussion of Exempted Materials
• NHLA Audit Program Costs
• Heat Treatment Audit Program-Getting Started
• Request NHLA Heat Treatment Information
• Contact Heat Treatment Department 
• European Union Emergency Measures
• International Standards (ISPM15 text)
• Approved Regulation Guidelines

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