Last reviewed: 13 November 2026

A rally service park can turn a field or temporary hardstanding into a busy vehicle workshop within hours. Cars arrive hot, mechanics work quickly and petrol, oil, coolant or gearbox fluid can escape onto ground that was never designed for industrial use. Mud adds a separate traction problem, but it must not be mistaken for a reason to wash contamination into neighbouring soil or drains.

Set the service pitch up before cars arrive

Follow the event organiser’s instructions for ground protection, refuelling and waste collection. Assess slopes, weather and nearby watercourses. Put protective sheeting and suitable drip trays under likely drip points where required, checking that covers are secure and cannot trip mechanics.

Fuel handling needs particular care because vapours and hot equipment can introduce fire hazards. Keep ignition sources controlled and carry out refuelling only in the authorised area under the event’s procedures. Do not place loose absorbent mats against hot exhaust components.

Separate mud, fluids and emergency incidents

Remove ordinary mud with suitable housekeeping methods while keeping pedestrian routes serviceable. For a small, identified oil leak, staff may use oil-only absorbents and absorbent socks to prevent spread. A water-based coolant requires a compatible material; unknown mixed liquids need assessment before anyone starts cleaning.

A significant petrol release, vapour build-up, injured person or fire risk calls for immediate escalation to event safety personnel. Portable spill kits supplies support trained responders but do not make an unsafe refuelling incident manageable.

Leave the site fit for its next use

  • Keep a leak-check routine when each car arrives.
  • Store fresh and used absorbents separately.
  • Use designated containers for waste fluids and contaminated soil.
  • Check that no residue is left beneath temporary flooring.
  • Report releases to event control and follow environmental notification procedures where required.

The HSE guidance on event emergencies is useful background. Where the venue is in England, Environment Agency guidance for businesses in England also explains relevant pollution-prevention principles.