1.1 This guide describes recommended uses and information on installation of photoluminescent safety markings to supplement emergency lighting. This guide does not establish a standard practice to follow.

1.2 The values stated in SI units are the standard. The values given in parentheses are for information purposes only.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.