N.H. Admin. Code § Env-A 105.42

Current through Register No. 45, November 7, 2024

Section Env-A 105.42 - Unobstructed

"Unobstructed" as applied to exhaust stacks for purposes of modeling means that:

(a) There is no impediment to vertical flow from the exhaust stack; and

(b) The exhaust stack extends at least 2 feet higher than any roofline within 10 feet of the exhaust stack exit, measured horizontally.

N.H. Admin. Code § Env-A 105.42

#10549, eff 4-4-14;); Amended by Volume XL Number 41, Filed October 8, 2020, Proposed by #13105, Effective 9/25/2020 (formerly Env-A 101.210) (see Revision Note #4 at chapter heading for Env-A 100)