A relative value that is calculated in comparison to chlorofluorocarbon11, which is referenced with a value of 1. This relative value is used to determine the level of damage that a ubstance can cause to the ozone layer.
Category: O
OZONE HOLE
OZONE LAYER
A protective covering of ozone gas in the lower levels of the stratosphere. The main purpose of the ozone layer is to prevent ultraviolet rays that emanate from the sun from entering in to our atmosphere. The ozone layer is significantly damaged by ozone depleting substances, such as greenhouses gases, etc.