N.H. Code Admin. R. Env-A 1409.02
Calculation of 24-Hour Ambient Air Limits
Effective Feb 3, 2022#6328, INTERIM, eff 8-24-96, EXPIRED: 12-22-96 New. #6468-B, eff 3-5-97; ss by #6739-B, eff 5-8-98; ss and moved by #8278, eff 2-4-05 (from Env-A 1410.02); ss by #9601, eff 11-25-09; ss by #12443, eff 1-5-18; ss by #13334, eff 2-3-22Air Related Programs
- (a) “OEL” means the occupational exposure limit for the RTAP.
- (b) “SF” means the safety factor as determined by Env-A 1408.01.
- (c) “TAF” means the time adjustment factor as determined by Env-A 1408.02.
(d) To calculate the 24-hour AAL for an RTAP, occupational exposure limit shall be divided by the product of the safety factor and the time adjustment factor, as in the formula below:
AAL(24 Hour) = OEL / (SF x TAF)
Source. #6328, INTERIM, eff 8-24-96, EXPIRED: 12-22-96 New. #6468-B, eff 3-5-97; ss by #6739-B, eff 5-8-98; ss and moved by #8278, eff 2-4-05 (from Env-A 1410.02); ss by #9601, eff 11-25-09; ss by #12443, eff 1-5-18; ss by #13334, eff 2-3-22