
Gas detection
| Hazard | Monitoring requirements |
| Toxic gas | CO,H₂S or NO₂ where risk-assessed |
| Flammable atmosphere | Methane and other relevant gases |
| Oxygen conditions | Deficiency or enrichment monitoring |
| Developing fire | heat, smoke, flame or CO detection |

| Hazard | Monitoring requirements |
| Toxic gas | CO,H₂S or NO₂ where risk-assessed |
| Flammable atmosphere | Methane and other relevant gases |
| Oxygen conditions | Deficiency or enrichment monitoring |
| Developing fire | heat, smoke, flame or CO detection |

Applications include conveyor routes, coal-handling areas, pump installations and electrical rooms. Detection method, placement and alarm response are defined with the mine and a competent system specialist.
