"Action level" means the concentration of lead or copper in water in accordance with the procedures specified in Env-Ws 381.01 which determines the treatment requirements that a water system is required to complete.
N.H. Admin. Code § Env-Ws 302.02
(See Revision Note at chapter heading for Env-Ws 300) #6521, eff 6-4-97; amd by #7735, eff 8-2-02; ss by #8360, INTERIM, eff 6-4-05, EXPIRES: 12 -1-05 ; ss by #8498, eff 11-30-05