N.H. Code Admin. R. Env-A 308.01

Current through Register No. 25, June 20, 2024

Section Env-A 308.01 - Primary and Secondary Ambient Air Quality Standards for Lead

The primary and secondary ambient air quality standards for lead and its compounds, CAS # 7439-92-1, shall be as follows:

(a) The primary ambient air quality standard for lead shall be 0.15 µg/m³, 3-month arithmetic mean concentration; and

(b) The secondary ambient air quality standard for lead shall be the same as the primary ambient air quality standard for lead designated in (a), above.

N.H. Code Admin. R. Env-A 308.01

#6227, eff 4-25-96; ss by #8054, eff 2-28-04; ss by #10173, eff 9-1-12

Amended by Volume XLII Number 23, Filed June 9, 2022, Proposed by #13382, Effective 5/25/2022, Expires 5/25/2032