Section 144-206-11-A - Insect And Rodent Control1 Effective control measures shall be utilized to eliminate the presence of rodents, flies, cockroaches and other vermin on the premises. (Critical Violation)2 Screening material shall be not less than 16 mesh to the inch or equivalent.3 Screen doors to the outer air shall be self-closing; and screens for windows, doors, skylights, transoms, and other openings to the outer air shall be tight-fitting and free of breaks.4 All openings to the outside shall be effectively protected against the entrance of rodents. (Critical Violation)5 The premises shall be kept in such condition as to prevent the harborage or feeding of vermin. (Critical Violation)6 Any application(s) of insecticides, pesticides, or rodenticides must be in compliance with rules of the Department of Agriculture, Food and Rural Resources, Board of Pesticides Control.10- 144 C.M.R. ch. 206, § 11-A