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         Quick Link to ManualWood
and Mill Yard Debris Technical Guidance Manual Return toRegulation of Landfills and Other Types of Solid Waste Management Facilities in Idaho Contact DEQWaste
Management and Remediation Managers Waste
Management and Remediation Division |
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| Wood or mill yard debris facilities manage exclusively solid wood, bark or wood fiber generated from wood products manufacturing.
Under Idaho's Solid Waste Management Rules (pdf on Department of Administration Web site), wood or mill yard debris facilities that manage their debris according the procedures outlined in the Wood and Mill Yard Debris Technical Guidance Manual are exempt from state rules. Those facilities that do not comply with this manual are automatically regulated under Tier I regulations unless DEQ determines, based on site-specific criteria, that more stringent regulations are applicable. |
| Wood and Mill Yard Debris Technical Guidance Manual |
| The Wood and Mill Yard Debris Technical Guidance Manual outlines various methods for the use and disposal of accumulated wood and mill yard debris generated within wood and mill yards during the process of manufacturing wood products. Such debris consists of wood fiber materials with components of soil, rock, and moisture. The manual also addresses blending of boiler ash with wood debris for management and disposal. |
Wood Debris Minimization |
| Typical debris production is 100 to 700 cubic yards per million board feet of logs processed. Historically, this material was landfilled near the producing yard, filling low areas and small draws. The Technical Guidance Manual offers various methods to minimize the accumulation of wood debris including surfacing log yards with an all-weather surface such as asphalt, sorting and scaling logs in a centralized location, and cleaning and marketing debris as fuel. |
Best Management Practices for Wood Storage |
| Wood and mill yard debris management practices for the storage of debris are critical to mill operations and protecting the environment. The manual offers guidance on storing wood to minimize fire potential, prevent generation of leachate into ground water, and avoid runoff of pollutants from stockpiles. |
Boiler Ash Management |
| Most facilities that produce wood debris also produce boiler ash from their steam plant. Many studies have addressed the impacts of adding boiler ash to wood debris, both for land application and disposal. Boiler ash is residue from wood-fired boilers. To prevent adverse environmental impacts, the manual recommends limiting boiler ash to 2% by volume for land application and to 6% by volume for disposal. |
Alternative Uses of Wood and Mill Yard Debris |
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The Technical Guidance Manual provides information and offers examples of the following alternative uses of wood and mill yard debris:
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| Tier I Solid Waste Facility Regulations |
| Under Idaho's Solid Waste Management Rules (pdf on Department of Administration Web site), Tier I facilities are required to demonstrate compliance with several requirements, including appropriate signage, nuisance (disease, vector, odor, and litter) control, secure access, open burning restrictions, and stormwater runoff controls. The rules also impose certain notification and documentation requirements.
For a complete
listing of Tier I facility requirements, refer to Section 011 of
Idaho's
Solid Waste Management Rules (pdf on Department
of Administration Web site). All Tier I, II and III facilities, including wood and mill yard debris facilities opting not to comply with the Technical Guidance Manual, that were in operation before April 26, 2002, were required submit an operating plan to the local public health district by April 27, 2004. If you are uncertain whether your operation is in compliance, check with your local public health district. All Tier I, II and III facilities, including wood and mill yard debris facilities opting not to comply with the Technical Guidance Manual, that were in operation before April 26, 2002, were required submit documentation to DEQ demonstrating compliance with siting and design requirements by April 26, 2007. If you are uncertain whether your operation is in compliance, check with your DEQ Regional Office. Link to reporting forms on this Web site. |
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