485-A:5-d Land Application of Sludge. –
I. Sludge or biosolids which are to be land applied in New Hampshire shall not exceed the maximum concentrations for specific chemical contaminants contained in the rules of the department, or the rules or regulations of the state in which the sludge was generated, whichever are more stringent.
II. By June 30, 2027, the department shall initiate rulemaking under RSA 541-A to develop concentration-based standards for PFAS in biosolids at land-application sites. Such standards shall be set for those PFAS compounds for which an ambient groundwater quality standard has been established under RSA 485-C. Such rulemaking shall include requirements for PFAS soil testing at land-application sites. Beginning January 1, 2028, land application shall not occur if biosolid or soil PFAS concentrations exceed the applicable standards.
Source. 1998, 230:3, eff. June 24, 1998. 2026, 298:2, eff. July 10, 2026.