FRESNO - Major makers of equipment who belong to the National Asphalt Pavement Association have developed a proposal that will remove at least 80% of hot asphalt fumes from workers' breathing zones. The plans involve installing suction and exhaust systems on large highway-sized pavers manufactured after July 1, 1997. About 700 large pavers are sold each year in the U.S. at a price between $200,000 and $250,000. Manufacturers say the new exhaust systems consist of a collection hood, a duct, a fan an
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