Miss. Code Ann. § 17-17-205

(a) “ Closure ” means the ceasing operation of a sanitary landfill and securing the landfill so that it does not pose a significant threat to public health or the environment and includes long-term monitoring and maintenance of the landfill. (b) “ Label ” means a molded, imprinted or raised symbol on or near the bottom of a plastic container or bottle. (c) “ Local government ” means a county or a municipality within the State of Mississippi. (d) “ Municipal solid waste ” means any nonhazardous solid waste resulting from the operation of residential, commercial, governmental, industrial or institutional establishments except oil field exploration and production wastes and sewage sludge. (e) “ Owner ” or “ operator ” means any person, corporation, county, municipality or group of counties or municipalities acting jointly operating a sanitary landfill or having any interest in the land whereon a sanitary landfill is or has been located. (f) “ Plastic ” means any material made of polymeric organic compounds and additives that can be shaped by flow. (g) “ Plastic bottle ” means a plastic container intended for single use that: (i) Has a neck smaller than the body of the container; (ii) Is designed for a screw-top, snap cap or other closure; and (iii) Has a capacity of not less than sixteen (16) fluid ounces or more than five (5) gallons. (h) “ Rigid plastic container ” means any formed or molded container intended for single use, composed predominately of plastic resin, that has a relatively inflexible finite shape or form with a capacity of not less than eight (8) ounces or more than five (5) gallons. This term does not include a plastic bottle.