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

Author: Wang, Xiping; Bergman, Richard PhD; Mace, T.

Date: 2010

Source: Wood material science and engineering. Vol. 5, no. 2 (2010): p. 104-109.

Publication Series: Scientific Journal (JRNL)

Description: 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 71ºC 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 Notes:

  • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Citation:


Wang, X.; Bergman, R.D.; Mace, T. 2010. Heat sterilization of ash (Fraxinus spp.) firewood : heat-treating options, temperature monitoring and thermal verification. Wood material science and engineering. Vol. 5, no. 2 (2010): p. 104-109.

 


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