In the spring of 1980, a horizontal shredder, complete with an infeed and outfeed system as represented in Fig. 1, was placed in service at the Kodak Park solid waste disposal facility in Rochester, New York. This shredder has become the primary shredder for preparing solid waste for incineration in a suspension-fiied boiler. The ver tical shredder, which has been in service since 1970, was th...