The balance sheet technique. Volume I. The balance sheet analysis technique for preconstruction review of airports and highways
The technique applies equally well to new or existing airports. The importance of accurate accounting of emissions, cannot be overstated. The regional oxidant modelling technique used in conjunction with a balance sheet review must be a proportional reduction technique. This type of emission balancing presumes equality of all sources in the analysis region. The technique can be applied successfully in the highway context, either in planning at the system level or looking only at projects individually. The project-by-project reviews could be used to examine each project in the same way as the airport projects are examined for their impact on regional desired emission levels. The primary limitation of this technique is that it should not be used when simulation models have been used for regional oxidant air quality. In the case of highway projects, the balance sheet technique might appear to be limited; the real limitations are in the transportation planning process. That planning process is not well-suited to the needs of air quality forecasting. If the transportation forecasting techniques are insensitive to change in the variables that affect HC emissions, then no internal emission trade-offs can be identified, and the initial highway emission forecasts are themselves suspect. In general, the balance sheet technique is limited by the quality of the data used in the review. Additionally, the technique does not point out effective trade-off strategies, nor does it indicate when it might be worthwhile to ignore small amounts of excess emissions. Used in the context of regional air quality plans based on proportional reduction models, the balance sheet analysis technique shows promise as a useful method by state or regional reviewing agencies.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31-109-ENG-38
- OSTI ID:
- 6512082
- Report Number(s):
- TID-28789
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
AIR POLLUTION
PHOTOCHEMICAL OXIDANTS
AIRPORTS
ENVIRONMENTAL IMPACTS
REGIONAL ANALYSIS
HYDROCARBONS
MAXIMUM PERMISSIBLE CONCENTRATION
NITROGEN OXIDES
ROADS
AIR QUALITY
MATHEMATICAL MODELS
PLANNING
CHALCOGENIDES
ENVIRONMENTAL QUALITY
NITROGEN COMPOUNDS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
POLLUTION
SAFETY STANDARDS
STANDARDS
500200* - Environment
Atmospheric- Chemicals Monitoring & Transport- (-1989)