Section 144-235-10 - CONTAINERSA. The Bottles and/or containers used to package water, under these regulations, shall be made of materials approved by the Department.B. Glass containers are generally approved for multiple use, but must be sanitized as specified in Section 9.F.3. of these Rules.C. Plastic and paper products are approved for single-service containers.D. All containers and closures shall be sampled and inspected to ascertain that they are free from contamination. At least once each 3 months, a bacteriological swab and/or rinse count should be made from at least four containers and closures selected just prior to filling and sealing. No more than one of the four samples may exceed more than one bacteria per milliliter of capacity or one colony per square centimeter of surface area. All samples shall be free of coliform organisms. Tests shall be performed either by qualified plant personnel or a certified laboratory.10- 144 C.M.R. ch. 235, § 10