1. Bourns College of Engineering; University of California; Riverside California USA
2. Fire Sciences Laboratory, Rocky Mountain Research Station; USDA Forest Service; Missoula Montana USA
3. National Research Center for Environmental Analysis and Measurement; Beijing China
4. Department of Chemistry; University of Montana; Missoula Montana USA
5. Pacific Northwest National Laboratories; Richland Washington USA
6. Forest Fire Laboratory, Pacific Southwest Research Station; USDA Forest Service; Riverside California USA