7. Operation and maintenance
23 / 40
Solids or liquids which
should not be disposed of
via the sink or toilet:
Contaminate the wastewater
Cleaning agents, except chlo-
rine-free products (environ-
mentally sound)
Contaminate the wastewater, corrode piping and
seals
Risk of injury to staff in the sewage system and
treatment plant
Corrode piping and seals, contaminate the
wastewater
Contaminate the wastewater
Cause blockages, non-degradable plastic films
blight watercourses
Cause deposits and pipe blockages
Cause blockages, attract rats
Textiles (e.g. nylon tights,
cleaning cloths, handkerchiefs
etc.)
Block pipes, may paralyse a pump station
Used textiles collection point
Contaminates the wastewater
Cause deposits and pipe blockages
Contaminate the wastewater
Is deposited, results in production of concrete
Contact specialist company