The dangers arising from accidental ingestion of substances produced or distributed for sale for consumption, use, or storage by individuals in or about the household, particularly by young children necessitates legislation designed to help reduce injuries to, and illnesses of young children ingesting such substances. It is the purpose of this chapter to require household substances which are accessible to young children and which may cause injury or illness to be contained in special packaging that is designed to be significantly difficult for children under five years of age to open or obtain a toxic or harmful amount of such substances within a reasonable time, but not difficult for normal adults to use properly.