Mass. Gen. Laws ch. 48, § 21: Spark arresters; requirements; penalty for noncompliance

Section 21. Whoever operates in or adjacent to forest or grasslands any equipment or vehicle which burns any spark producing material as fuel, unless the same is provided with a suitable spark arrester approved by the United States Department of Forestry, shall be punished by a fine of not less than $50 nor more than $100 and the cost of suppression if such operation results in a response from a fire department.