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Mass Calculation−μxI = I0e1 ⎛ I ⎞x =− ln ⎜ ⎟μ ⎝ I0⎠AxC =V6/9/2009 18
Mass Calculation• DEFINITIONS:– I 0 – beta measurement across clean filter– I – beta ray measurement across dirty filter– μ – calibration coefficient– x – mass density on filter tape (mg/cm 2 )– A – dust spot deposition area on filter tape (cm 2 )– V – sampled volume (m 3 )– C – particulate matter concentration (mg/m 3 )6/9/2009 19
Page 1 and 2: BAM-1020Beta Attenuation Mass Monit
Page 3 and 4: Overview - Topics of Discussion•
Page 5 and 6: What is the PM2.5 FEM Configuration
Page 7 and 8: What is the PM2.5 FEM configuration
Page 9 and 10: Data Example 1 - PM10 and PM2.5 Lev
Page 11 and 12: Data Example 3 - PM2.5 Slope / Offs
Page 13 and 14: Typical older unimproved unit compa
Page 15 and 16: What is the PM2.5 FEM configuration
Page 17: Theory of Operation• At the begin
Page 21 and 22: Beta Gauge Safety• The BAM-1020 c
Page 23 and 24: BAM-1020 Tape Transport6/9/2009 23
Page 25 and 26: Simplicity - Measurement System•
Page 27 and 28: Critical Checks• Leak Check, Flow
Page 29 and 30: BAM-1020 Span Check• The BAM-1020
Page 31 and 32: Measurement Challenges• Enclosure
Page 33 and 34: Electromagnetic Interference• Sou
Page 35 and 36: Supplemental Materials• BAM-1020

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