Containing solid or viscous substances at concentrations
which will cause obstruction to the flow in a sewer, pump station
or other facility, or other interference such as, but not limited
to, ashes, cinders, spent lime, stone dust, sand, mud, straw, shavings,
metals, glass, rags, grass clippings, feathers, tar, plastics, wood,
whole blood, paunch manure, bentonite, lye, building materials, rubber,
asphalt residues, hairs, bones, leather, porcelain, china, ceramic
wastes, polishing wastes or glass grindings. Sample that is collected
over time, formed either by continuous sampling or by mixing discrete
samples collected at regular intervals not exceeding one hour, during
a twenty-four-hour time span. The sample may be composited either
as a time composite sample (composed of discrete sample aliquots collected
in one container at constant time intervals providing representative
samples irrespective of discharge flow) or as a flow proportional
composite sample