Toxic, flammable or explosive gases may be in the ground at contaminated sites such as landfills or industrial facilities after a chemical release, or may be naturally present in the environment. The presence of hazardous ground gas can
- result in illness, injury or death
- damage buildings, infrastructure and the environment
The risks from hazardous ground gas should be assessed, particularly during redevelopment on or adjacent to contaminated land.
- information on the origin and behaviour of hazardous ground gases
- recommended site assessment techniques
- risk assessment, management and mitigation options
- planning and regulatory processes