An initiative in the UK designed to classify the type and amount of Recycled Fiber in a paper product. The scheme grades four types of waste used in paper manufacturing, as follows:

• A – Woodfree, approved own mill waste (waste that has not left the mill. i.e. mill broke).
• B – Woodfree unprinted waste (waste that has left the mill but not reached the consumer, typically from the printer or converter).
• C – Woodfree printed waste (post consumer waste, collected from homes, offices etc).
• D – Printed mechanical waste (post consumer waste, typically newspapers).To be classified as recycled, the grade has to contain no less than 50% of the total fiber from any combination of the above sources, with the percentages given for each…