1. Owens Valley PM10Planning Area Demonstration of Attainment State Implementation Plan;Great Basin Unified Air Pollution Control District: Bishop, CA, November 1998.
2. List of Designated Reference and Equivalent Methods;U.S. Environmental Protection Agency; National Exposure Research Laboratory: Research Triangle Park, NC, June 1999.
3. Operations and Maintenance Manual, The Wedding & Associates' PM10Critical Flow High-Volume Sampler, Model 600;Designation No. RFPS-1087-062; Wedding & Associates, Inc.: Fort Collins, CO, October 1987.
4. Operator Manual PM10High Volume Air Sampler, Model 1200;Designation No. RFPS-1287-063; Graseby Andersen/Graseby GMW: Smyrna, GA, 1987.
5. Operating Manual Partisol-FRM Model 2000 PM10Air Sampler;Designation No. RFPS-1298-126; Rupprecht & Patashnick Co., Inc.: Albany, NY, October 1998.