Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 21I, § 21

(A) Any person who violates any provision of this chapter, or any regulation or approval issued or adopted hereunder, shall be subject to a civil penalty not to exceed twenty-five thousand dollars per day of such violation, which may be assessed in an action brought on behalf of the commonwealth in any court of competent jurisdiction. This section shall not apply to section nineteen of this chapter.

(B) Any individual or toxics user who wilfully (i) violates any requirement of sections ten or eleven, or any regulation or approval issued or adopted thereunder, or (ii) violates any requirement of section twenty, shall be punished by a fine of not less than two thousand five hundred dollars or more than twenty-five thousand dollars for each violation, or by imprisonment for not more than one year, or by both.

(C) If the commissioner determines that: