Technical memoranda related to air permitting for sawmills in Region 10

Technical memoranda concerning sawmills referenced by some air permits issued by EPA Region 10.

• Particulate Matter Potential to Emit Emission Factors for Activities at Sawmills, Excluding Boilers, Located in Pacific Northwest Indian Country (pdf) (226.44 KB)
• EPA Region 10 HAP and VOC Emission Factors for Lumber Drying - January 2021 (pdf) (1.52 MB, July 2021)
  To access the MS Excel workbook from which the Adobe Acrobat document was created, right click on the document link and then click on 'Save target as...' or ‘Save link as…’ to download the pdf file. Open the saved file with the free version of Adobe Acrobat Reader DC. Save attachment entitled, “EPA Region 10 Lumber Drying EF – January 2021.xlsx”. Open the saved attachment with Microsoft Excel.