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Administration - Sustainability at Lehman College

Recycling and Composting at Lehman College

Large NYC/NYS entities are in a position to recycle larger and more varied source-separated recycling streams than that are residential settings. Large NYC/NYS entities generate large quantities of goods and materials that can be either reused whole or as parts/components, or broken down for recycling. Such streams (which go beyond mixed paper and metal/glass/plastic containers) are good candidates for reuse and recycling.

The different types of materials recycled at Lehman College are described in the table below. Some of the materials are recycled through the NYC Department of Sanitation, whose recycling program continues to evolve to include new recycling streams. Lehman College also uses contractors to dispose of certain recycling streams for which no public option exists (yet).

The City University of New York prepares an annual report (compiling data from all CUNY Colleges) to New York State Department of Environmental Conservation (Executive Order No. 4) that quantifies recycling and sustainability activities of CUNY as a whole. The quantities of each recycling/composting stream at Lehman College is given in the table below:

Recycling Stream Unit weight Number of units generated in one year (4/1/13 – 3/31/14) Total weight
Mixed Paper recycling 4 x 8 yd3/pickup = 32 yd3
193 lbs/cubic yard
(1 per week) +10 additional pickups per year = 62 191.5 tons
Shredding events of white paper 363.51 lbs/cubic yard 65.13 yd3 11.84 tons
Mixed glass, plastic and metal container recycling 0.885 tons/20 cubic yard container 12 containers/year 10.62 tons
Un-compacted construction debris recycled through a contractor 8 tons per 30 cubic yard container 38 304 tons
Metals recycled through a scrap metal dealer Weighed directly by recycler N/A 12.95 tons
Composted Food-prep waste 50 lbs/day (average) 247 days/year 6.175
Composted Gardening waste Fall leaf cleanup: 10 weeks of picking up leaves, 3-4x per week, using the leaf truck (10.33 yds3), filled up 2-3x per day; 83.3 lbs/yd3

904 yds3

Note: leaves are mulched by the shredding action of the leaf collector

37.65 tons
Recycled Used Cooking Oil 7.45 lbs/gallon 60 gallons/month; 16.7% taken up by food, 83.3% recycled 2.234 tons
Recycled Car and truck tires Truck tires: 80 lbs each;
Car tires: 20 lbs each
580 lbs (13 car, 4 truck) 0.29 tons
Recycled Used Motor Oil 6.68 lbs/gallon 220 gallons 0.735 tons
Obsolete electronics for Reuse 800 lbs/pallet 24 pallets 9.6 tons
Wooden pallets (recycled) 40 lbs each 100 pallets 2 tons

Recycling Links