Section 001-332-20 - PREMISESA. The grounds of the outer building or buildings shall be reasonably clean and well drained, free from any materials or conditions that may create rodent, bird and/or insect harborages and free from other nuisances and sources of contamination.B. Roads, yards, and parking lots must be maintained so that they do not constitute a source of contamination in areas where food is exposed.C. Areas that may contribute contamination to food by seepage, foot-borne filth, or providing a breeding place for pests must be adequately drained.D. Systems for waste treatment and disposal must be operated in an adequate manner so that they do not constitute a source of contamination in areas where food is exposed.01-001 C.M.R. ch. 332, § 20