Coal gas / Carbon monoxide poisoning:

• Carbon monoxide is a colorless, odorless and tasteless gas. But the danger it poses is real. Carbon monoxide replaces oxygen in your blood — and the consequences can be fatal

First aid to patient:

• Open all windows and doors to allow town gas to disperse
• Turn off the gas meter control valve and extinguish all naked flames
• Do not touch any electrical switches, such as switching on or off lighting fixtures
• Do not use telephones or mobile phones in your premises
• Do not use matches or lighters
• Transport victim to medical care as soon as possible
• Initiate Cardiopulmonary resuscitation if necessary

Ingestion of corrosive substances:

• Examples of corrosive substances include bleaching agent, sewage cleansing agent and hydrogen peroxide, etc.

First aid to patient:

• Nothing by mouth
• Avoid inducing vomiting
• Transport victim to medical care as soon as possible