Cause obstruction to the flow in the City's wastewater treatment
system or other interference with the operation of the wastewater
facilities due to accumulation of solid or viscous material such as
but not limited to: grease, garbage with particles greater than one-half
(1/2) inch in any dimension, animal tissues, paunch manure, bones,
hair, hides or fleshings, entrails, blood, feathers, ashes, cinders,
sand, spent lime, stone or marble dust, metal, glass, straw, shavings,
rags, plastics, tar, asphalt residues, residues from refining or processing
of fuel or lubricating oil, mud or glass grinding or polishings wastes.