DRAFT · NOT FOR OPERATIONAL USESite/HSE approval required
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OFFICE RESPONSE GUIDE

Hazardous Spill / Gas Release

AVOID · ALARM · EVACUATE

In immediate danger?Move to safety. Raise the alarm. Call Triple Zero.CALL 000
01
DO THIS NOW

Immediate actions

  1. 1

    Stop work and avoid contact or inhalation.

  2. 2

    Warn others, raise the alarm and notify facilities/security.

  3. 3

    Move away, preferably upwind or crosswind for an external release.

  4. 4

    Call Triple Zero (000) for a significant release, unknown gas, fire or exposure.

  5. 5

    Close access to the area without entering the release.

  6. 6

    Follow warden instructions; use SDS, spill kits or isolation only if trained and authorised.

02
RECOGNISE

Signs and triggers

  • Spill, vapour, gas odour, hissing sound or detector alarm
  • Unknown substance, damaged container or visible residue
  • Eye, skin or breathing irritation, dizziness or collapse
  • Release entering drains, HVAC intakes or occupied areas
!
DO NOT

Actions that increase the risk

  • Do not touch, inhale, clean or walk through the release.
  • Do not enter to identify an unknown substance.
  • Do not operate gas/electrical isolation unless trained and safe.
  • Do not use a lift through or into an affected area.
  • Do not re-enter until trained responders declare it safe.
03
SUPPORTING RESPONSE

Role-based actions

Person discovering the release

  • Withdraw, warn others and state the exact room/area.
  • If exposed, move to fresh air or emergency decontamination as directed by the SDS/000 without re-entering danger.

Wardens / facilities

  • Isolate access and manage evacuation or shelter under the building plan.
  • Locate the SDS and building/HVAC information for emergency services.

Trained response

  • Use substance-specific PPE, detection, isolation and containment.
  • Prevent environmental spread and manage contaminated waste.
04
EMERGENCY-SERVICES HANDOVER

Information to provide

  • Exact floor, room and safe approach
  • Known substance, container/system and current SDS
  • Observed gas, vapour, odour, reaction or fire
  • People exposed, symptoms and first aid/decontamination
  • HVAC, drains, ignition and adjacent occupancy risks
  • Isolation or evacuation actions already taken
05
WHEN THE IMMEDIATE DANGER HAS PASSED

Recovery and reporting

  • Keep the area isolated until atmospheric testing and decontamination are complete.
  • Arrange medical review for exposure as directed.
  • Retain residues and cleanup materials as controlled waste.
  • Complete environmental and workplace reporting.
  • Review SDS access, detectors, spill controls and response training.

Approved reference sources

This draft must be checked against the site emergency plan, OEM procedures, SDS, local law and emergency-service direction.

Safe Work Australia — Emergency plans and proceduresSafe Work Australia — Safety data sheetsFire and Rescue NSW — Hazardous materials at work
EmergencyCall 000