N.H. Admin. Code § Env-Dw 811.02

Current through Register No. 50, December 12, 2024

Section Env-Dw 811.02 - Definitions

For purposes of this part, the following definitions shall apply unless otherwise specified:

(a) "Action level (AL)" means the concentration of a contaminant which, if exceeded, triggers treatment or other requirements which a water system must follow;

(b) "Consumer confidence report (CCR)" means an annual report supplied by a CWS O/O to customers which contains information on the quality of their drinking water;

(c) "Customers" means billing units or service connections to which water is delivered by a CWS;

(d) "Detected" means the presence of any primary or secondary drinking water contaminant including:

(1) Microbiological contaminants;

(2) Radiological contaminants;

(3) IOC contaminants;

(4) VOC contaminants;

(5) SOC contaminants;

(6) PFAS contaminants; and

(7) Disinfection by-products;

(e) "Regulated contaminant" means a contaminant that is subject to a maximum contaminant level (MCL), action level (AL), maximum residual disinfectant level (MRDL), or treatment technique (TT); and

(f) "Unregulated contaminant" means a contaminant specified in 40 CFR 141.40.

N.H. Admin. Code § Env-Dw 811.02

(See Revision Note at chapter heading for Env-Dw 800) #9730, eff 6-30-10

Amended by Volume XXXVIII Number 50, Filed December 13, 2018, Proposed by 12675, Effective 1/1/2019, Expires 1/1/2029.

Amended by Volume XXXIX Number 32, Filed August 8, 2019, Proposed by #12838, Effective 9/30/2019, Expires 9/30/2029.