E/LMS 7002: Warning Signs

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There are four basic categories of safety signs. The categories, their usage, colour and shape are as shown:

What it Means

Safe Condition

Colour And Shape: green background, white symbol, square or oblong.

Use: provides information about safe conditions.

Example: First Aid Equipment.

Warning

Colour And Shape: yellow triangle with a black border.

Use: gives a warning of the risk of danger.

Example: Dangerous Substance.

Prohibition

Colour And Shape: white, circular sign, red border and a red crossbar running from top left to bottom right.

Use: states that you can't do something

Example: No Smoking

Mandatory

Colour And Shape: blue background, white symbol, circular.

Use: states that you must do something.

Example: Wear Ear Protection

Sign	What it Means
	Corrosive The chemical or substance could cause injury to the person handling it and/or may cause damage to the packaging material surrounding the chemicals, fertiliser or fruit product, rendering it unsafe.
	Dangerous to the Environment The disposal of certain agrochemicals, fertilisers, herbicides, pesticides and materials could be harmful to the ecological system and environment, causing the fruit produced to be rendered unsafe.
	Chemicals that will Contaminate Food Stuffs If certain materials, substances and agrochemicals come into contact with a crop due to human consumption, food safety will become compromised and thus poisonous.

Sign	What it Means
	Poisonous Any poisonous substances would automatically render crops unsafe for consumption (Remember about harvest intervals!)
	Poisonous Gas Any poisonous substances would automatically render crops unsafe for consumption (Remember about harvest intervals!)
	Biological Hazard The material might cause microbial or organic changes in the food crop causing food safety to be unsafe.
	Radioactive No food crop that has been in contact with radioactive material would be considered safe.
	Dangerous When Wet Some substances react badly to contact with water and can cause fires or explosions, or poisonous materials to be released. Any food crop that has come into contact with such a substance would immediately be considered unsafe.
	Flammable Any food crop that comes into contact with flammable liquid or materials would automatically be rendered unsafe.
	Irritant or Harmful Substance Any food crop that comes into contact with chemicals or fertilisers that are irritants or harmful to human or animal consumption would immediately be rendered unsafe.

Warning Signs