Methodology to estimate nonroad equipment populations by nonattainment areas. Final report

Technical Report · Mon Sep 30 00:00:00 EDT 1991

OSTI ID:6533312

The Clean Air Act Amendments of 1990 require that EPA conduct a study to determine the contribution of nonroad equipment to the emission inventories of selected nonattainment areas. The contribution is determined by the population of nonroad equipment in a given area, the average load factor at which the equipment's engine is used, the average annual hours of use of the equipment, the horsepower of the engine, and the emission factor attributable to the engine. Since a nonattainment area is a conglomeration of counties within a state, or across states, it is necessary to estimate the county level equipment populations. Engine sales data or equipment population data, however, are not available at the county level, but only at the national and state level. Therefore, a methodology that distributes equipment populations from these levels of aggregation to the county level must be developed. The report presents EEA's methodology to estimate equipment populations for the 24 nonattainment areas included in EPA's study. The report also presents national data on load factors, annual usage, and horsepower.

• Research Organization: Energy and Environmental Analysis, Inc., Arlington, VA (United States)
• OSTI ID: 6533312
• Report Number(s): PB-93-174332/XAB; CNN: EPA-68-CO-0065
• Resource Relation: Other Information: See also PB--93-161735
• Country of Publication: United States
• Language: English

Related Subjects

29 ENERGY PLANNING
POLICY AND ECONOMY
54 ENVIRONMENTAL SCIENCES
AIR POLLUTION
PROBABILISTIC ESTIMATION
INTERNAL COMBUSTION ENGINES
POLLUTION REGULATIONS
US EPA
ADMINISTRATIVE PROCEDURES
AGRICULTURAL WASTES
AIRPORTS
AMENDMENTS
CONSTRUCTION
EQUIPMENT
EXHAUST SYSTEMS
GARDENING
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INVENTORIES
MACHINERY
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POPULATIONS
SALES
SAMPLING
STATE GOVERNMENT
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TRUCKS
US CLEAN AIR ACT
DATA
ENGINES
HEAT ENGINES
INFORMATION
LAWS
NATIONAL ORGANIZATIONS
NUMERICAL DATA
ORGANIC WASTES
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POLLUTION LAWS
REGULATIONS
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VEHICLES
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290300* - Energy Planning & Policy- Environment
Health
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540120 - Environment
Atmospheric- Chemicals Monitoring & Transport- (1990-)