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EFFECT OF HYDROCARBON COMPOSITION ON OXIDANT-HYDROCARBON RELATIONSHIPS. PHASE II. BLEND OF TOTAL HYDROCARBON EMISSIONS
Citation:
Powers, T. EFFECT OF HYDROCARBON COMPOSITION ON OXIDANT-HYDROCARBON RELATIONSHIPS. PHASE II. BLEND OF TOTAL HYDROCARBON EMISSIONS. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/3-77/109b.
Description:
To assess the formation of atmospheric oxidants resulting from exhaust emitted by catalyst-equipped vehicles, chamber irradiations were conducted using a hydrocarbon blend representing total hydrocarbon emissions (exhaust, refueling and evaporation). Results were compared with previous irradiation results using a hydrocarbon blend representing non-methane, non-acetylene exhaust emissions from non-catalyst vehicles or catalyst-equipped vehicles. The blend representing total hydrocarbon emissions produced significantly less oxidants than either of the other two blends.