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Title: Heat sterilization of ash (Fraxinus spp.) firewood: Heat-treating options, temperature monitoring and thermal verification

Source: Wood Material Science and Engineering, 2010; 5:104-109; 2010

Author(s)Wang, X.; Bergman, R. D.; Mace, T.

Publication Year: 2010  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4714-1A  FPL-4851-6A

Abstract: Because of the potential risk associated with moving emerald ash borer (EAB)-infested firewood, the interstate movement of all hardwood firewood in the USA is currently restricted under the Federal quarantine. Communities and firewood producers are now faced with decisions on how to treat their firewood for interstate commerce. The new US Federal regulations for heat sterilization of ash firewood require holding a core temperature of 71°C for 75 min, which is higher than current international standard for heat treating solid wood packaging materials (ISPM 15). A study funded by the US Forest Service Wood Education and Resource Center examined the efficacy of different heat-treatment schemes for meeting the new regulations and developed empirical models for estimating heating times under various heating conditions. This paper addresses some practical issues of the heat-treatment process in terms of meeting the current heating standard for EAB, monitoring temperature changes during heating process and providing thermal verification after the heat-treatment operations.

Keywords: Emerald ash borer, ash, pest control, disease control, fuelwood, sanitation, heat treatment, wood sterilization, sterilization, packaging, pests, standards, insect pests, temperature, wood products, Fraxinus, Agrilus planipennis, invasive species, heat sterilization, heating time, treated wood, firewood

Publication Review Process: Formally Refereed

File size: 251 kb(s)

Date posted: 05/16/2011

This publication is also viewable on Treesearch:  view
RITS Product ID: 36098
Current FPL Scientists associated with this product (listed alphabetically)
Bergman, Richard
Research Forest Products Technologist
Wang, Xiping
Research Forest Products Technologist
 

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