. OPERATING NOTES
Graf UK Ltd
OPERATING NOTES
7
Solid or liquid substances that do not
belong in the sink or in the toilet:
What it does: Where it should go:
Ash Does not decompose Dustbin
Chemicals Contaminates wastewater District collection point
Disinfectants Kills bacteria Do not use
Paints Contaminates wastewater District collection point
Frying fat Accumulates in pipes and leads to blockages Dustbin
Adhesive plasters Clogs pipes Dustbin
Cigarette ends Accumulates in the system Dustbin
Condoms Causes blockages Dustbin
Corks Accumulates in the system Dustbin
Medication Contaminates wastewater Pharmacy
Engine oil Contaminates wastewater District collection point
Oily waste Contaminates wastewater District collection point
Plant protection products Contaminates wastewater District collection point
Paintbrush cleaner Contaminates wastewater District collection point
Cleaning agents, except those which are
chlorine-free (environmentally friendly)
Contaminates wastewater, corrodes pipes
and seals
District collection point
Razorblades Causes risk of injury for workers in sewers
and wastewater treatment systems
Dustbin
Drain cleaner Corrodes pipes and seals, contaminates
wastewater
District collection point
Pesticides Contaminates wastewater District collection point
Panty liners/Sanitary towels Leads to blockages, non-degradable plastic
film spoil water
Dustbin
Cooking oil Leads to deposits and pipe blockages District collection point
Food leftovers Leads to blockages, attracts rats Dustbin
Wallpaper paste Leads to blockages District collection point
Textiles (eg. nylon tights, cloths,
handkerchiefs, etc.)
Clogs pipelines, can cripple a pumping
station
Charity shop
Thinner Contaminates wastewater District collection point
Bird sand, cat litter Leads to deposits and pipe blockages Dustbin
Cotton buds/Face wipes Clogs the system Dustbin
Toilet blocks Contaminates wastewater Do not use
Nappies Clog pipes Dustbin
Cement water Creates deposits, becomes concrete Send to a specialist
company
The following is a list of individual substances which must not be disposed of via the wastewater treatment system:
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