Ashes, cinders, sand, mud, lime, or acetylene sludges, straw, shavings,
metal, glass, rags, feathers, tar, plastics, wood, sawdust, paunch
manure, hair, hides, dead animals, spent mash and grain, pulp from
food processing, water or wastes containing grease in excess of 100
parts per million, or any other solids or viscous substances capable
of causing obstruction to the flow in sewers or other interference
with the proper operation of municipality's or Sanitary Authority's
facilities.