Each instrument utilized for leakage surveys and investigations must be tested against a known sample or in accordance with the manufacturer's recommended instructions as follows:
N.Y. Comp. Codes R. & Regs. Tit. 16 § 255.809
Each instrument utilized for leakage surveys and investigations must be tested against a known sample or in accordance with the manufacturer's recommended instructions as follows:
N.Y. Comp. Codes R. & Regs. Tit. 16 § 255.809