As per NSW EPA below task has to perform by petrol station operator every day.
• Dip tanks and record measurements.
• Dip E10 (bio-blend) tanks for water and all tanks after heavy rain.
• Check fill/dip points for damage.
• Check drains and remove blockages.
• Remove forecourt traffic hazards.
• Check spill kit contents, remove litter.
• Check collection pits and sump levels.
• Check hoses and nozzles for damage.