Measurement of roadway PM10 emission rates using tracer techniques. Final technical report
Technical Report
·
OSTI ID:377427
In the work, stationary and mobile point source tracer release techniques were used to determine PM10 emission rates from 4-lane commercia/residential paved roads under sanded and unsanded conditions, and from unpaved roads relative to site specific vehicular and ambient parameters. Measured stress (4+ lanes; > or = to 10,000 vehicles/day) emission factors for unsanded and sanded roads were respectively 40% and 10% lower than the EPA approved reference value. Preliminary results indicate a consistent relationship between PM10 and relative humidity under unsanded conditions. Evidence suggests that street sweeping has a negligible effect on PM10 emission reduction. Considerable uncertainties were observed with the empirical emission factor equation.
- Research Organization:
- Washington State Transportation Center, Pullman, WA (United States)
- OSTI ID:
- 377427
- Report Number(s):
- PB--96-195896/XAB; WA-RD--397.1
- Country of Publication:
- United States
- Language:
- English
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