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Greening the Supply Chain: Pollution Prevention for Product Systems

This book by John O. Sparks from the U.S. Environmental Protection Agency explores how to design sustainable supply chains and reduce pollution in the product life cycle. It covers material flows, unsustainable product life cycle practices, and the impact of manufacturing, use, and disposal on air, land, and water. Using the example of an auto assembly, it highlights the potential environmental impact and presents workshops to minimize electricity demand, CO2 emissions, transport fuel use, and solid waste disposal.

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Greening the Supply Chain: Pollution Prevention for Product Systems

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  1. Greening the Supply Chain“Pollution Prevention for Product Systems”John O. SparksU.S. Environmental Protection AgencyDesign for the Environment Program

  2. Material Flows &Life Cycle Concepts Unsustainable Product Life Cycle Stuff Extraction conversion Manufacturing Use Dispose Discharges to air, land, water in all stages

  3. OEM Supply Chains Example:Auto Assembly Impact • 12,000,000 new cars/light trucks made annually • about 20,000 parts per unit and most are out-sourced • Total finished product is 24,000,000 tons • Estimate about 3 lbs. non-product output per lb. of finished product • cleaners, lubricants, scrap, process sludges, etc. • could be much higher if process waters included • Non-product output approximately 72,000,000 tons • Most in the suppliers facilities • auto company & public ultimately pays for waste.

  4. Design Material Flows &Life Cycle Concepts GSC Vision :Sustainable Product Life Cycle Use Servicing Repair Assembly & Manufacturing Inputs Dispose Re-manufacturing & Recycling End-of-life Disassembly Fewer discharges to air, land, water in all stages

  5. Environmental Impact Potential: 4 Workshops • Reduced Electricity Demand: • 1, 880,000 – 1,915,000 kWh annually • Reduced CO2 Emissions: • Transport related reductions • 149,800 – 150,200 lbs. annually • Reduced Transport Fuel Use: • 21,990 – 22,080 gallons annually • Reduced Solid Waste Disposal: • 278,000 – 319,000 lbs. Annually • Additional environmental opportunities: • Paint disposal reduction • Steel scrap reduction

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