Where applicable, devices, products, and methods used in the installation, construction, and operation of treatment, distribution, and storage facilities and all other appurtenances to a public water system shall meet the specification criteria of the American Water Works Association, as required by Env-Dw 407.
N.H. Admin. Code § Env-Dw 404.09
(See Revision Note at part heading for Env-Dw 404) #10611, eff 6-1-14