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Food Scrap Composting

The Missing Piece of Zero Waste:. Food Scrap Composting. Renee Robertson City of San Diego February 24, 2010. Snap shot of food waste in California Prioritizing diversion programs Zero waste approach Starting a food waste diversion program Other zero waste alternatives.

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Food Scrap Composting

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  1. The Missing Piece of Zero Waste: Food Scrap Composting Renee Robertson City of San Diego February 24, 2010

  2. Snap shot of food waste in California • Prioritizing diversion programs • Zero waste approach • Starting a food waste diversion program • Other zero waste alternatives

  3. = Composting facility currently accepting food waste

  4. 139,758 tons/year

  5. Prioritizing Diversion Programs: Commercial: 51,000 tons Single Family: 50,000 tons Multi-Family: 32,000 tons

  6. End goal is not merely diversion, but the re-creation of waste in to valuable products Wood Chips Compost Mulch

  7. How to start YOUR food waste program: • Reduce • Destination Facility • In-House Collection • Storage & Hauling

  8. How to start YOUR food waste program: • Reduce • Destination Facility • In-House Collection • Storage & Hauling

  9. How to start YOUR food waste program: • Reduce • Destination Facility • In-House Collection • Storage & Hauling

  10. How to start YOUR food waste program: • Reduce • Destination Facility • In-House Collection • Storage & Hauling

  11. Source separated, un-bagged food scraps • Water tight “end dump” container • Zero contamination • Loads not older than 10 days • Food scraps only - no paper, biodegradable plates, cups, or utensils • No waxed cardboard

  12. Choosing pre and/or post consumer streams • Colored & labeled collection containers • Staff training & education • Posters & signs using your own pictures

  13. Enclosed container to reduce vectors & odors • Connection to sewer line • Area to rinse out collection containers • Drain covers to capture food scraps • Mechanical arm to empty 32 gal. containers

  14. Alternatives to Miramar Greenery: • Animal feed • Food donation • Anaerobic digestion • Vermicomposting

  15. www.recyclingworks.com Renee Robertson Recycling Specialist 858-627-3308 RobertsonR@sandiego.gov

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