N.H. Admin. Code § Env-Sw 1703.02

Current through Register No. 50, December 12, 2024

Section Env-Sw 1703.02 - Quality of Ash

(a) Wood ash that is land applied shall not contain heavy metals in excess of the following concentrations, as determined on a dry weight basis in accordance with Env-Sw 1706:

(1) For arsenic, 41 milligrams per kilogram (mg/kg);

(2) For cadmium, 39 mg/kg;

(3) For chromium, 1,200 mg/kg;

(4) For copper, 1,500 mg/kg;

(5) For lead, 300 mg/kg;

(6) For mercury, 17 mg/kg;

(7) For molybdenum, 75 mg/kg;

(8) For nickel, 420 mg/kg;

(9) For selenium, 100 mg/kg;

(10) For zinc, 2,800 mg/kg; and

(b) Wood ash that is land applied shall be substantially free of uncombusted material.

N.H. Admin. Code § Env-Sw 1703.02

#6619-B, eff 10-29-97 ; (See Revision Note at chapter heading for Env-Sw 1700) ss by #8459, eff 10-28-05 (formerly Env-Wm 3403.02 )

Amended byVolume XXXIV Number 24, Filed June 12, 2014, Proposed by #10601, Effective 7/1/2014, Expires7/1/2024.