1. ODEQ Nephelometer Network ODEQ (19) LRAPA (5) Forest Health (9) Field Burning (3) Visibility (4) Asotin, WA

2. Laboratory Klamath Falls PM Site

3. Laboratory Lakeview PM Site

4. Laboratory Salem PM Site (neph only)

5. Laboratory Albany PM Site

6. Laboratory Illinois Valley Forest Health (neph only)

7. Laboratory Mt. Hood Visibility Site (neph only)

8. Laboratory

10. Neph Service Frequencies Routine Service – once a week –Zero check –Cal check –Check zero filter, chart, air flow, datalogger QA Review – once a month Calibration – every 3 months (SUVA 134A) Cleaning – every 6 months Data Validation – within one month

11. Laboratory

17. Block Diagram Datalogger XML Pusher PC DMZ PC hosting IIS & the XML template files ISP Modem Internet Outer FirewallInner Firewall Local Phone Access Database Server with MS SQL Server & ENVIEW database Monitor Remote Station Oregon On-Line Services Recorder

18. Laboratory Data and AQI Display