The primary and secondary ambient air quality standards for ozone specified in Env-A 307.01 shall be deemed to be attained when the 3-year average of the annual fourth-highest daily maximum 8-hour average ozone concentration, as determined in accordance with 40 CFR 50 Appendix P, is less than or equal to 0.070 ppm.
N.H. Admin. Code § Env-A 307.02
#6227, eff 4-25-96; ss by #8054, eff 2-28-04; ss by #10173, eff 9-1-12