Unbroken glass bottles, all types of metal food and beverage
cans and aluminum products, including used aluminum food trays and foil, must
be emptied of their contents and separated from other solid waste and combined
in rigid and upright containers used only for this category of recyclables
and containing no paper, plastic or other refuse. These materials need not
be flattened or processed in any way. Labels, corks and neck rings need not
be removed.