32 M.R.S. §1854: Cleaning of containers

All reusable glass containers used in the manufacture of beverages must, before being filled or refilled, be thoroughly cleaned and sanitized by washing in a solution of not less than 3% caustic alkali at a temperature not lower than 110° Fahrenheit to be followed by a rinsing in potable water. All other reusable and all single service containers must be cleaned and sanitized before being filled or refilled by suitable means approved by the Commissioner of Agriculture, Conservation and Forestry.