We can all make a difference,please recycle.
Here is a guide to figuring out what recycling codes on plastics mean:
Number 1 Plastics 
PET or PETE (polyethylene terephthalate)
Found in: Soft drink, water and beer bottles; mouthwash bottles; peanut butter containers; salad dressing and vegetable oil containers; ovenable food trays.
Recycled into: Polar fleece, fiber, tote bags, furniture, carpet, paneling, straps, (occasionally) new containers
Number 2 Plastics 
HDPE (high density polyethylene)
Found in: Milk jugs, juice bottles; bleach, detergent and household cleaner bottles; shampoo bottles; some trash and shopping bags; motor oil bottles; butter and yogurt tubs; cereal box liners
Recycled into: Laundry detergent bottles, oil bottles, pens, recycling containers, floor tile, drainage pipe, lumber, benches, doghouses, picnic tables, fencing
Number 3 Plastics 
V (Vinyl) or PVC
Found in: Window cleaner and detergent bottles, shampoo bottles, cooking oil bottles, clear food packaging, wire jacketing, medical equipment, siding, windows, piping
Recycled into: Decks, paneling, mudflaps, roadway gutters, flooring, cables, speed bumps, mats
Number 4 Plastics
LDPE (low density polyethylene)
Found in: Squeezable bottles; bread, frozen food, dry cleaning and shopping bags; tote bags; clothing; furniture; carpet
Recycled into: Trash can liners and cans, compost bins, shipping envelopes, paneling, lumber, landscaping ties, floor tile
Number 5 Plastics 
PP (polypropylene)
Found in: Some yogurt containers, syrup bottles, ketchup bottles, caps, straws, medicine bottles
Recycled into: Signal lights, battery cables, brooms, brushes, auto battery cases, ice scrapers, landscape borders, bicycle racks, rakes, bins, pallets, trays
Number 6 Plastics
PS (polystyrene)
Found in: Disposable plates and cups, meat trays, egg cartons, carry-out containers, aspirin bottles, compact disc cases
Recycled into: Insulation, light switch plates, egg cartons, vents, rulers, foam packing, carry-out containers
Number 7 Plastics
Miscellaneous
Found in: Three- and five-gallon water bottles, 'bullet-proof' materials, sunglasses, DVDs, iPod and computer cases, signs and displays, certain food containers, nylon
Recycled into: Plastic lumber, custom-made products
A wide variety of plastic resins that don't fit into the previous categories are lumped into number 7. A few are even made from plants (polyactide) and are compostable. Polycarbonate is number 7, and is the hard plastic that has parents worried these days, after studies have shown it can leach potential hormone disruptors.
You can Read more at : http://www.thedailygreen.com