Individuals wishing to service wastewater treatment units of a capacity greater than 3000 gallons per day must hold a valid wastewater treatment plant operators certificate of the appropriate grade.
06- 096 C.M.R. ch. 517, § 2
Individuals wishing to service wastewater treatment units of a capacity greater than 3000 gallons per day must hold a valid wastewater treatment plant operators certificate of the appropriate grade.
06- 096 C.M.R. ch. 517, § 2