Weekday/Weekend O3 and PM Differences in Three Cities Outside California

4/11/00


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Table of Contents

Weekday/Weekend O3 and PM Differences in Three Cities Outside California

Introduction

Objectives

Technical Approach

Ozone Monitoring Sites

Hour-of-the-Week Analysis

Atlanta, GA; 1995 - 1999

Chicago, IL; 1995 - 1999

Philadelphia, PA; 1995 - 1999

Maximum One-Hour Concentrations

Maximum One-Hour Concentrations Mean and Standard Deviation

Bootstrap Sampling

Hypothesis Testing by the Shift Method Example: Friday-Monday O3 Difference

Atlanta, GA; Maximum One-Hour O3

Maximum One-Hour Concentrations Mean and Standard Deviation

Chicago, IL; Maximum One-Hour O3

Maximum One-Hour Concentrations Mean and Standard Deviation

Philadelphia, PA; Maximum One-Hour O3

Maximum 8-Hour O3 Concentrations

Maximum 8-Hour O3 Concentrations (continued)

PM10 at Chicago, IL; 1995 - 1999

24-Hour Average PM10

Hour-of-week Profiles of NOx

Correlation Between O3 and NOx

Summary

Future Work

Author: Betty Pun