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traffic and materials handled.
Virginia has an extensive policy covering the treatment of dust. Briefly, it states that unpaved roads that serve stores, churches, schools, dairy buildings and private dwellings, receiving a minimum of ten vehicles per day shall be treated within 200 feet of either side of the building.
Vicious Cycle
Askew pointed out that use of calcium chloride to control dust creates a ‘‘vicious cycle.” When applied, it
91.4%