Transcript Gore Composting Pilot

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
Compost
Mulch
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
858-627-3308
[email protected]