Car washing services and treatment of wastewater
Car washing area
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Build suitable drainage systems in the workshop to avoid flooding of wastewater
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Set up wastewater intercepting facilities (such as kerb or collection channels) around workshops to avoid egress wastewater
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Set up intercepting facilities (such as kerb) around workshops to avoid the inflow of rain and surface water which will increase the burden of wastewater control facilities such as petrol interceptors
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Apply to the Environmental Protection Department for wastewater discharge licences
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Install wastewater control facilities such as petrol interceptors, sedimentation tank, etc. to reduce amount of pollutants discharged
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Discharge only treated wastewater to foul drains - Conserve water and reuse if possible to avoid wasting resources
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Use buckets to carry water and towels to wash cars
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Control the use of cleansing agents and similar chemicals to minimize discharge of pollutants
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Do not allow the overflow of wastewater
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Do not discharge untreated wastewater into foul drains
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Do not discharge wastewater into storm drain, harbour, river and streams
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Do not allow water to run continuously from taps and sprays
Cleansing mechanical parts of vehicle engines
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Use rags and suitable solvent to cleanse mechanical parts
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Do not use water to remove directly oil stains from mechanical parts
Car Washing Leaflet (Chinese Version Only)(Text Alternative)
A Guide to the Water Pollution Control Ordinance
