emission factor powder handling,AP-42 11.9 Western Surface Coal Mining - US EPAmeasured emission factor data base for western surface coal mines. . available emission factors but also collected new field measurements at a mine in Wyoming's Powder River Basin ... during emission tests of material handling operations.emission factor powder handling,Emission Factor Development for the Feed and Grain Industry27 12 Particulate Emission Factors for Grain Processing Operations 29 A-l Summary of . which reduces the dehydrated chops to a powder referred to as "meal. .. Emissions and Controls Grain handling, milling and processing include a.
emission factor powder handling