The supplier of water shall collect raw water samples at a frequency prescribed by the State and analyze such samples for contaminants using an approved method, with method exceptions as listed in the tables in section 5-1.52 of this Subpart, and by an approved laboratory as described in section 5-1.74 of this Subpart.
N.Y. Comp. Codes R. & Regs. Tit. 10 §§ 5-1.13