Food Scrap Composting
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Transcript of Food Scrap Composting
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The Missing Piece of Zero Waste:
Renee RobertsonCity of San DiegoFebruary 24, 2010
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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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= Composting facility currently accepting food waste
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139,758 139,758 tons/yeartons/year
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Commercial: 51,000 tons
Single Family: 50,000 tons
Multi-Family: 32,000 tons
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End goal is not merely diversion, but the re-creation of waste in to valuable products
Compost Mulch Wood Chips
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ReduceDestination Facility In-House CollectionStorage & Hauling
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ReduceDestination Facility In-House CollectionStorage & Hauling
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ReduceDestination FacilityIn-House CollectionStorage & Hauling
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ReduceDestination Facility In-House CollectionStorage & Hauling
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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
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Choosing pre and/or post consumer streams
Colored & labeled collection containers
Staff training & education
Posters & signs using your own pictures
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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
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Animal feed Food donation Anaerobic digestion Vermicomposting
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