A brochure released by DustMASTER Enviro Systems, Pewaukee, Wis., explains how DustMASTER batch systems help industrial and municipal plants reuse, recycle or dispose of fine, dusty or powdery hazardous and nonhazardous materials. Common dusts handled include fly ash, calcium oxide, baghouse powder, alkaline bypass dust, foundry sand, shot blast, pyrites, iron oxides and hot or exothermic materials.