Solids or viscous substances, which may cause obstruction to the
flow in a sewer or otherwise interfere with the operation of the wastewater
treatment facilities. Unless explicitly allowable by a written permit,
such substances include, but are not limited to, grease, food wastes
with particles greater than 1/2 inch in any dimension, animal guts
or tissues, paunch manure, bones, hair, hides or fleshing, entrails,
whole blood, feathers, ashes, cinders, sand, spent lime, stone or
marble dust, metal, glass, straw, shavings, grass clippings, rags,
dental floss, spent grains, spent hops, waste paper, cleaning wipes,
baby wipes, diapers, nursing pads, sanitary napkins, tampons, maxi-pads,
wood, plastics, rubber, latex, condoms, gas, tar asphalt, residues,
residues from refining or processing fuel or lubricating oil, mud,
or glass or stone grindings or polishing wastes.