Efficacy Data and Labeling Requirements: Air Sanitizers | US EPA
****!!!!****!!!!**** (1980) "Requirements apply to products with label claims for the treatment of air to reduce the numbers of airborne microorganisms." "claims of value in preventing or treating diseases, or providing any other health protection, whether expressed or implied, are not acceptable. Claims must clearly indicate the mitigating nature of the activity, such as "Temporarily reduces the number of airborne bacteria."" "The label directions for use of air sanitizers must state: That application be made in closed spaces ("Close all doors and windows; close air vents or turn off air conditioners.")."