The CO2 level in each general and specialty classroom shall not exceed 700 PPM above the ambient CO2 level.

Historical Note

New Section made by exempt rulemaking at 8 A.A.R. 287, effective June 7, 2001 (Supp. 01-4). Amended by final expedited rulemaking at 26 A.A.R. 2963, with an immediate effective date of November 3, 2020 (Supp. 20-4). Amended by final rulemaking at 28 A.A.R. 3939 (December 30, 2022), effective February 5, 2023 (Supp. 22-4).