N.H. Admin. Code § Env-Sw 605.04

Current through Register No. 37, September 12, 2024

Section Env-Sw 605.04 - Minimum Quality Requirements

Finished compost shall meet the following requirements:

(a) The presence of heavy metals shall not exceed the ceiling concentrations specified in Table 600-1:

Table 600-1: Ceiling Concentrations for Heavy Metals

Constituent	Maximum Total Concentration (mg/kg dry weight)
Arsenic	11
Cadmium	14
Chromium	1,000
Copper	1,500
Lead	300
Mercury	7
Molybdenum	35
Nickel	200
Selenium	28
Zinc	2,500

(b) The presence of salmonella sp. shall not exceed 3 most probable number (MPN) per 4 grams of total solids (dry weight basis);

(c) The presence of fecal coliform shall not exceed 1,000 MPN per gram of total solids (dry weight basis); and

(d) The presence of man-made inert matter greater than 4 mm in size shall not exceed 0.25 % of total solids (dry weight basis).

N.H. Admin. Code § Env-Sw 605.04

#5172, eff 7-1-91; amd by #5295, eff 12-24-91; ss by #6535, INTERIM, eff 7-1-97, EXPIRES: 10-29-97; ss by #6619-B, eff 10-29-97; (See Revision Note at chapter heading for Env-Sw 600) ss by #8459, eff 10-28-05 (formerly Env-Wm 2305.04)

Amended byVolume XXXIV Number 24, Filed June 12, 2014, Proposed by #10596, Effective 7/1/2014, Expires7/1/2024.

Amended by Volume XLII Number 14, Filed April 7, 2022, Proposed by #13358, Effective 4/1/2022, Expires 3/23/2032.