The Missing Piece of Zero Waste: 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
= Composting facility currently accepting food waste
139,758 tons/year
Commercial: 51,000 tons Single Family: 50,000 tons Multi-Family: 32,000 tons
End goal is not merely diversion, but the re-creation of waste in to valuable products CompostMulch Wood Chips
Reduce Destination Facility In-House Collection Storage & Hauling
Reduce Destination Facility In-House Collection Storage & Hauling
Reduce Destination Facility In-House Collection Storage & Hauling
Reduce Destination Facility In-House Collection Storage & Hauling
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
Choosing pre and/or post consumer streams Colored & labeled collection containers Staff training & education Posters & signs using your own pictures
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
Animal feed Food donation Anaerobic digestion Vermicomposting
Renee Robertson Recycling Specialist