References
- National Ambient Air Quality Standards for Particulate Matter—Final Rule. 40 CFR Part 50; Fed. Regist. 1997, 62 (138), 38651-38701.
- Evaluation and Collaborative Study of Method for Visual Determination of Opacity of Emissions from Stationary Source; Contract No. 68–02-0626; U.S. Environmental Protection Agency: Washington, DC, 1975.
- Reitze, A.W. Air Pollution Control Law: Compliance and Enforcement; Environmental Law Institute: Washington, DC, 2001.
- Method 9—Visual Determination of the Opacity of Emissions from Stationary Sources; Fed. Regist. 1971, 36 (247), 13624-13628.
- NSPS Test Method 9—Visual Determination of the Opacity of Emissions for Stationary Sources; EMTIC TM-009; Emission Measurement Technical Information Center: Research Triangle Park, NC, 1990.
- Visible Emissions Observer Training Manual; Eastern Technical Associates: Garner, NC, 2000.
- U.S. Environmental Protection Agency. Proposed Methodology for Particulate Matter Risk Analyses for Selected Urban Areas; Contract No. 68-D-98–001; Office of Air Quality Planning and Standards: Research Triangle Park, NC, 2002.
- Stretch, J.; Pfaff, B. Summary Report for the Joint NASA Space Dynamics Laboratory Remote Sensing Project on an Optical Digital Environmental Compliance System (ODECS); Scientech, Inc.: Boulder, CO, 1999
- Hyvarinen, A.; Karhunen, J.; Oja, E. Independent Component Analysis; Wiley & Sons: New York, 2001.
- National Weather Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce, Silver Spring, MD. Available at www.nws.noaa.gov (accessed Nov 2002).