pl-1#1 PET: Polyethylene
Beverage containers:  soft drinks, beer and water,ketchup & salad dressing, peanut butter, pickles, jelly/jams and edible oils.
pl-2#2 HDPE: High Density Polyethylene
Milk, water, cosmetic, shampoo,dish and laundry detergents, yogurt & margarine tubs, cereal box liners, grocery, trash & retail shopping bags, milk crates, totes, recycle bins, 90 gal garbage carts.
pl-3#3 PVC:  Polyvinylchloride
Clear food & non-food packaging, medical tubing, construction products such as pipe, fittings, siding, windows trim, shower curtains & swimming pool liners.
pl-4#4 LDPE:  Low Density PE/Linear LDPE/Polyethylene Medium Density/MDPE
Dry-cleaner bags, bread and frozen food bags, squeezable bottles like ketchup, mustard, mayo etc., stretch wrap, shrink films, etc., agricultural films, camera film, Lab wash bottles, rigid applications such light covers, stretch/shrink, bags.
pl-5#5 PP :Polypropylene
Ketchup bottles, yogurt and margarine tubs, medicine bottles, VCR jackets.
pl-6#6 PS: Polystyrene
CD cases, Styrofoam, Expanded polystyrene, grocery storemeat trays, egg cartons, aspirin bottles, foam cups, cups, plates & cutlery and packaging.
pl-7#7 Other: Mixed Plastics/Bottles/Coatings
The hotdog of plastics! Products labelled as “other” are made of any combination of 1 to 6 or another less commonly used plastic.