Section Env-A 1408.03 - Criteria for the Designation of Time Adjustment Factors The department shall designate the time adjustment factors based on the following criteria:
(a) The time adjustment factor shall be 1.0 for RTAPs that: (1) Have an occupational exposure limit that is intended to primarily prevent irritation or discomfort; or(2) For which there are essentially no known cumulative effects resulting from extended exposures to such pollutants at concentration levels at or near the occupational exposure limit;(b) The time adjustment factor shall be 2.0 for RTAPs that have an occupational exposure limit that is intended to prevent acute exposure effects;(c) The time adjustment factor shall be 2.5 for RTAPs that have a ceiling limit value set as an occupational exposure limit that is not intended to be exceeded at any time; and(d) The time adjustment factor shall be 2.8 for RTAPs that:(1) Have an occupational exposure limit that is set by technological feasibility or commonly recognized good hygiene practice;(2) Present cumulative health hazards and have an occupational exposure limit intended to prevent excessive accumulation in the body from extended periods of exposure; or(3) Present both acute and cumulative health hazards.N.H. Admin. Code § Env-A 1408.03
Derived from Volume XLII Number 6, Filed February 10, 2022, Proposed by #13334, Effective 2/3/2022, Expires 2/3/2032 (formerly Env-A 1408.02).