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Transcript of Air Quality Surveillance Branch Air Monitoring Operations l Manual and Non-criteria Samplers »...
Air Quality Surveillance Branch
Air Monitoring Operations Manual and Non-criteria Samplers
» Reggie Smith» Special Purpose Monitoring & Data Support
Section
California Environmental Protection Agency
Air Resources Board
Ambient Air Monitoring Programs (cont.)
Particulate Matter
Toxic Air Contaminants
Hydrocarbon Compounds
Acid Deposition
Types of Instruments
Manual Samplers» Time averaged data» Sampling Media
– Filter samples– Cartridges– Canisters
» Analyzed in separate step Continuous Samplers
» Instrumental methods» On-line data
Particulate Monitoring
Particulate Matter » < 10 micrometers and < 2.5 micrometers
Size Fractional Particulate Matter» 0- 2.5 and 2.5 - 10 microns
Total Suspended Particulate Continuous Particulate Sampler Coefficient of Haze Relative Visibility
Particulate Standards
24 hrAnnual
PM10
24 hrAnnual
Federal State 65 ug/m3
15 ug/m3
150 ug/m3
50 ug/m350 ug/m3
30 ug/m3
PM2.5
PM10 Filter Handling Procedure
Filters are weighed pre and post sampling
Filters are inspected for tears, pinholes, frayed edges, clumps of fibers, discoloration
Fine Particulate Matter - PM2.5
1997, U.S. EPA promulgates new fine particulate standards
ARB implementing new PM2.5 monitoring network
Samplers» Andersen Sequential and R&P Single
Channel Sampling Media
» 47 mm teflon filters
Toxic Air Contaminants Monitoring
High Volume Size Selective Inlet Sampler High Volume Total Suspended Particulate
Sampler Multimedia Sampler Canister Sampler
Carbonyl Sampler
Photochemical Assessment Monitoring Stations (PAMS)
Silica Sampling Cartridge Four 3 hour samples (2300-0200, 0500-
0800,1200-1500, 1600-1900 PST) 11 sites