Glossary
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- PH
- A number used for expressing the acidity or alkalinity of solutions. A value of 7 is neutral in a scale ranging from 0-14. Solutions with values below 7 are acid, above 7 are alkaline.
- Post Consumer Waste (PCW)
- Term used to describe paper which becomes waste after reaching the final consumer of the paper or paper product.
- Pre Consumer Waste
- Term used to describe paper which becomes waste before the finished product reaches the final consumer of that product.
- Processed Chlorine Free (PCF)
- Processing using oxygen-based compounds instead of chlorine based compounds in the bleaching process. PCF products contain post consumer recycled fibre content that has been re-bleached using this process. Since it is impossible to tell whether the recycled content has been bleached with chlorine in the past, PCF papers cannot be labeled totally chlorine-free.
- Programme for the Endorsement of Forest Certification (PEFC)
- An independent, non-profit, non-governmental organisation, founded in 1999 which promotes sustainably managed forests through independent third party certification. The PEFC provides an assurance mechanism to purchasers of wood and paper products that they are promoting the sustainable management of forests.
- PTOT Phosphorous
- Total amount of organic and inorganic phosphorous measured as Tot-P (phosphorous).
- Purchased energy consumption
- Amount of purchased electricity and fossil fuels that mills use to run the equipment and to generate process steam. Cogeneration and more efficient combustion of lignin and other wood waste decreases the purchased energy consumption of the mill.