N.H. Code Admin. R. Pes 504.03
All pest control equipment using pesticides and drawing water from the surface waters of the state as defined in Pes 101.36 shall have an effective anti-siphon device.
Source. #150, eff 1-9-74; ss by #2209, eff 12-13-82; ss by #2781, eff 7-26-84; ss by #4867, eff 7-19-90; ss by #6258, eff 5-30-96, EXPIRED: 5-30-04 New. #8131, eff 8-13-04; ss by #10333, eff 5-10-13; ss by #14064, eff 8-22-24