Improving Commingled Recycling in WA photo identifier

Improving Commingled Recycling in WA

Additional Resources

Commingled recycling programs have been studied extensively in the last ten years, with a growing focus on contamination issues and quality concerns.


Residential Commingled Collection Guidelines (EPA, 2008)
Processing Goals (EPA, 2008)
Processing Audit Evaluation Protocol (EPA, 2008)
New Material Questionnaire (Snohomish County, 2013)

Reports & Articles

Single Stream: An Investigation into the Interaction Between Single Stream Recycling Collection Systems and Recycled Paper Manufacturing (Conservatree, 2003)
Single Stream Best Practices Manual (Kinsella & Gertman, 2007)
Single Stream Recycling Best Practices Implementation Guide (Kinsella & Gertman, 2007)
Understanding Economic and Environmental Impacts of Single-stream Collection Systems (CRI, 2009)
Composition of Commingled Recyclables Before and After Processing (OR DEQ, 2011)
Recycled Fiber: Paying More for Less (Wright Hudson, Paper360, Sept/Oct 2011)
A Common Theme: Is single-stream recycling service the salvation of all recycling programs or is there a better way forward? (CRI, Resource Recycling, Feb 2012)