"Diagnostic and feasibility study" means a study as contemplated by RSA 487:21, I, to identify sources of pollution to a surface water and recommend the most cost effective practices to restore or preserve water quality.
N.H. Admin. Code § Env-Wq 1302.05
(See Revision Note at chapter heading for Env-Wq 1300) #8703-A, eff 9-5-06