Presentation by Dr. A.S. Lefohn
CASAC Meeting
Research Triangle Park, NC
July 18, 2002

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Table of Contents

Title Slide

Integrated Comments Slide

Professor Paul Switzer Department of Statistics, Stanford Univ. July 8, 2002

Professor Paul Switzer’s Conclusions

Professor Paul Switzer’s Conclusions (Continued)

The Importance of a Threshold

Spatial Gradients - Key Observations -

Spatial Gradients - Incorrect Statements in CD -

Spatial Gradients

Ramifications of Spatial Variation

The Variability of 24-Hour Average Background PM - Part 1

The Variability of 24-Hour Average Background PM- Part 2

Glacier National Park PM2.5

Background PM Conclusions

Chapter 5

Author: Allen S. Lefohn, Ph.D.


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