Section 144-232-8-806.0 - DISINFECTION806.1General: For any new installation of a pump or servicing of pipe within the well, the well shall be chlorinated to a minimum concentration of 50 parts per million for a minimum of twenty-four (24) hours upon completion of installation or repair. (See Table 405.2)10-144 C.M.R. ch. 232, § 8-806.0