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State of California 2003 Statewide Waste Characterization Study. Presentation of Findings. Objectives. Quantify types and amounts of materials disposed in California: Commercial Residential Single-family Multifamily Self-hauled Commercial self-hauled Residential self-hauled

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State of california 2003 statewide waste characterization study l.jpg

State of California2003 Statewide Waste Characterization Study

Presentation of Findings


Objectives l.jpg
Objectives

  • Quantify types and amounts of materials disposed in California:

    • Commercial

    • Residential

      • Single-family

      • Multifamily

    • Self-hauled

      • Commercial self-hauled

      • Residential self-hauled

  • Examine additional material types not previously quantified:

    • Electronic items

    • Certain plastic films

    • CRV containers

  • Determine amount of RPPCs disposed


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Overview

  • Collected data in all regions of the state, during four seasons

  • Sampled at disposal facilities only

  • Surveyed 4,693 vehicles at 22 facilities throughout the state

  • Sampled 550 loads/sites

    • 200 commercial loads

    • 110 single-family loads & 40 multifamily sites

    • 200 self-hauled loads

  • Sorted waste samples into 98 materials

  • Quantified the waste and calculated average composition for each sector


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18.9 million

12.7 million

8.6 million

47.0%

31.6%

21.3%

Commercial

Residential

Self-hauled

Waste Quantities

  • 40.2 million tons of MSW were disposed in 2003.

Tons Disposed in 2003


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Waste Composition Highlights

  • The largest fraction of disposed waste consists of organic materials (30.2%), followed by construction & demolition materials (21.7%) and paper (21.0%).

  • 20.1% of California’s disposed waste is recyclable.

  • 24.4% of the waste is compostable.

  • An additional 16.1% is recoverable C&D materials.

  • 0.87% of disposed waste is RPPCs; 1.17% is CRV containers.




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What Materials Are Recyclable?

Cardboard & kraft paper 6.7%

Other recyclable papers 5.2%

Recyclable glass 1.6%

Recyclable metals 5.2%

HDPE & PETE & some film 1.4%

Total recyclable 20.1%


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What Materials Are Compostable?

Food 14.6%

Leaves & grass 4.2%

Other kinds of yard waste 2.6%

A portion of non-recyclable paper ~ 3.0%

Total compostable ~ 24.4%


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How much of disposed waste is recoverable C&D material?

Concrete 2.4%

Lumber 9.6%

Gypsum board 1.7%

Rock, soil & fines 2.4%

Total recoverable C&D 16.1%


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Composition by Sector

Commercial

Residential

Self-hauled


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= recyclable materials

= compostable materials

= recoverable C&D materials

Recoverability by Sector

Residential

Commercial

20.5%

23.8%

34.4%

26.4%

11.2%

8.8%

Self-hauled

10.7%

6.8%

38.0%


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