Lambeth Recycling Doctors have been out on the streets over the past couple of months, discovering what residents have been putting in their recycling bins. The most common incorrect materials they've found are:
Plastic film: this has cropped up in one form or another in around 80% of the bins they've looked at. Although much household plastic packaging is recyclable, a good rule of thumb is that if it can be scrunched up into a ball, it can't be recycled.