criteria rating

[10.1.20] A technique that determines the probability that a specific criterion will be met anywhere in a defined area. The name of the criteria rating assumes the name of the criterion being rated. It is expressed in shorthand notation by listing the rating in percent followed by the criterion itself and separated by “@”. For example, a lighting system producing a luminance of 20 cd/m2 over 60% of the specified area could have its luminance rating expressed as 60% @ 20 cd/m2.

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