AIR TOXICS MONITORING DATA

1
AIR TOXICS MONITORING DATA

• EPAs Air Quality System (AQS)
• Ammonia data available but not in AQS
• Data for All Substances on Appendix O
• Total Chromium available not Hexavalent

2
Relevance to Rulemaking

• While proposed MAAC is based on human health
  effects, monitoring data is relevant because
• Monitoring data supports need for rulemaking.
• Monitoring data is real world.
• Monitoring data is more accepted than modeling.

3
Charts

• Region 6 States, KS, CO MO
• 2004 Data
• Different Monitoring Analytic Methods
• Available on DEQ Air Quality website
• ? NOT Research or Publication Quality

4
Charts (cont.)

• Ammonia
• Arsenic
• Benzene
• 1,3-Butadiene
• Formaldehyde

5
Ammonia
6
Arsenic
7
Benzene
8
1,3-Butadiene
9
Formaldehyde
10
Importance

• Monitoring essential to SC42
• Proposed MAACs are reasonable
• Some Toxics Regional/National Problem benzene and
  1,3-butadiene