Section Env-Dw 714.03 - Exceedance of Lead Action Level; Exceedance of Copper Action Level(a) As specified in 40 CFR § 141.80(c)(1), 7-1-16 edition, the lead action level shall be deemed exceeded if the concentration of lead in more than 10% of tap water samples collected in accordance with Env-Dw 714.08 during any monitoring period is greater than 0.015 mg/L, that is, if the 90th percentile as computed pursuant to (c), below, is greater than 0.015 mg/L.(b) As specified in 40 CFR § 141.80(c)(2), 7-1-16 edition, the copper action level shall be deemed exceeded if the concentration of copper in more than 10% of tap water samples collected in accordance with Env-Dw 714.08 during any monitoring period is greater than 1.3 mg/L, that is, if the 90th percentile as computed pursuant to (c), below, is greater than 1.3 mg/L.(c) The 90th percentile lead and copper levels shall be computed as specified in 40 CFR § 141.80(c)(3)(i) through (v), 7-1-16 edition.N.H. Code Admin. R. Env-Dw 714.03
#9859, eff 2-8-11 (See Revision Note #4 at chapter heading for Env-Dw 700)
Amended by Volume XXXVII Number 23, Filed June 8, 2017, Proposed by #12181, Effective 5/23/2017, Expires 5/23/2027.