Air Quality Monitoring Roundtable Jeff Hedman / Rick Strassman Minnesota Pollution Control Agency October 7, 2014
Presentation Overview Introduction City-Selected Topics Q & A 2
Why Care About Particulates? • Cardiovascular Effects Health! • Respiratory Effects • Visibility Welfare! • Ecology • Infrastructure Damage U.S. EPA. Integrated Science Assessment for Particulate Matter (Final Report). U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-08/139F, 2009. 3
Particulate Size Air Pollution Training Institute 435: Atmospheric Sampling, pp. 4-2 4
Ambient Air Quality Standards Primary Standards (Protect Human Health): TSP PM 10 PM 2.5 Annual 24-hour Annual 24-hour Annual 24-hour 150 ug/m 3 12 ug/m 3 35 ug/m 3 National n/a n/a n/a Minnesota 75 ug/m 3 260 ug/m 3 50 ug/m 3 150 ug/m 3 15 ug/m 3 65 ug/m 3 Secondary Standards (Protect Welfare): TSP PM 10 PM 2.5 Annual 24-hour Annual 24-hour Annual 24-hour 150 ug/m 3 15 ug/m 3 35 ug/m 3 National n/a n/a n/a Minnesota 60 ug/m 3 150 ug/m 3 50 ug/m 3 150 ug/m 3 15 ug/m 3 65 ug/m 3 5
Respirable Crystalline Silica Health-Based Value Developed by Minn. Dept. of Health 3 ug/m 3 as PM 4 Data averaged on annual basis Protects against long-term exposures The HBV protects: General population Sensitive people All stages of life http://www.health.state.mn.us/divs/eh/ hazardous/topics/silica/ 6
Presentation Overview Introduction City-Selected Topics Q & A 7
Monitoring Methods PM 2.5 Federal Reference Method (Not used in Winona) • Gravimetric Analysis • 24-hour Integrated Samples • Lab Reports Results Federal Equivalent Method (Used in Winona) • Beta Attenuation • Hourly Samples • Semi-Continuous Operation • Instrument Reports Results Acceptable Monitors: http://www.epa.gov/ttn/amtic/criteria.html 8
Monitoring Methods (cont) PM4-Silica Modified Federal Reference Method (Used in Winona) • 24-hour Integrated Samples • Lab Performs X-Ray Diffraction • Lab Reports Results 9
Monitoring Methods (cont) PM 10 Federal Reference Method (Not used in Winona) • Gravimetric Analysis • 24-hour Integrated Samples • Lab Reports Results Federal Equivalent Method (Not used in Winona) • Beta Attenuation • Hourly Samples • Semi-Continuous Operation • Instrument Reports Results Acceptable Monitors: http://www.epa.gov/ttn/amtic/criteria.html 10
Monitoring Methods (cont) TSP Federal Reference Method (Not used in Winona) • Gravimetric Analysis • 24-hour Integrated Samples • Lab Reports Results Acceptable Monitor: http://www.epa.gov/ttn/amtic/criteria.html 11
Monitoring in SE MN Winona 1x PM 2.5 FEM • Samples hourly data • Informs AQI for area 1x PM 2.5 FRM modified to collect PM 4 • Collects 24-hour integrated sample • Sent to lab for silica analysis Stanton 1x PM 2.5 FRM modified to collect PM 4 • Collects 24-hour integrated sample • Sent to lab for silica analysis 12
13
14
Monitoring Results at Winona 15
Monitoring at Tiller – North Branch Facility 2x Dichotomous Monitors Collects PM 2.5 and PM 10-2.5 at each monitor Integrated 24-hour samples 2x PM 2.5 FRM modified to collect PM 4 • Collects 24-hour integrated sample • Sent to lab for silica analysis 1x Meteorological Tower 16
17
18
19
20
Monitoring at Shakopee Sands Facility 2x PM10 FRM Monitors 24-hour integrated sample 1x TSP FRM Monitor 24-hour integrated sample 1x PM10 FRM Monitor, used for silica 24-hour integrated sample Sent to lab for analysis 1x Meteorological Tower 21
22
23
24
Rulemaking Update Silica Sand Advisory Panel Scope of Rule: Silica Sand facilities New facilities Existing facilities Likely Requirements Monitoring Stack limits Best Management Practices 25
EQB ‘Tools…’ Document Final March 2014 Monitoring Methods Monitoring Costs Silica Sand Technical Assistance Team 26
Q & A 27
Jeff Hedman Presentation Overview jeffrey.hedman@state.mn.us Rick Strassman rick.strassman@state.mn.us 28
Recommend
More recommend