Enhanced carbon monoxide screen test. Final report, Jul 90-Sep 91
Technical Report
·
OSTI ID:5814427
The FDOT air quality screening test is a graphical procedure in which an intersection in a project alternative is analyzed to determine if there are any possible air quality impacts at nearby receptors. The analyst enters the year, the traffic volume and the speed and follows the graphical procedure to result in a 'critical distance'. If the critical distance is closer to (further from) the road than the nearest reasonable receptor, then the intersection passes (fails) the screening test. Because the screening test is based on a number of very conservative assumptions, if the project fails the screening test then it only means that more detailed computer modeling is required, not that the project will harm air quality. The screening test was updated to include MOBILE4 emission factors (EF's) for various years and vehicle speeds. The dispersion model CALINE3 was run with those EF's for various traffic volumes to model the CO concentations near an at-grade four-way intersection. Two cases were considered: urban and rural. Assumptions were made to define conservative, 'worst case' scenarios. The curves were extended to the year 2030. An interactive computer program was written to implement the screening test. It is runable on most personal computers which meet the program requirements (DOS 4.0 or higher, an EGA or higher screen, and a dot matrix printer).
- Research Organization:
- University of Central Florida, Orlando, FL (United States). Coll. of Engineering
- OSTI ID:
- 5814427
- Report Number(s):
- PB-92-134634/XAB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
560300* -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
AIR POLLUTION MONITORING
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
COMPUTER CODES
COMPUTERIZED SIMULATION
ECOLOGICAL CONCENTRATION
EXHAUST GASES
FLUIDS
GASEOUS WASTES
GASES
MONITORING
NATIONAL ORGANIZATIONS
OXIDES
OXYGEN COMPOUNDS
POLLUTION
RURAL AREAS
SCREENING
SIMULATION
URBAN AREAS
US DOT
US ORGANIZATIONS
VEHICLES
WASTES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
AIR POLLUTION MONITORING
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
COMPUTER CODES
COMPUTERIZED SIMULATION
ECOLOGICAL CONCENTRATION
EXHAUST GASES
FLUIDS
GASEOUS WASTES
GASES
MONITORING
NATIONAL ORGANIZATIONS
OXIDES
OXYGEN COMPOUNDS
POLLUTION
RURAL AREAS
SCREENING
SIMULATION
URBAN AREAS
US DOT
US ORGANIZATIONS
VEHICLES
WASTES