Used printer cartridges recovered from CSULB Year 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 to-date 6.56 tons
Quantity 599 484 639 1018 1359 1802 1517 1670 1958 1896 897
Tons .89 tons .72 tons .95 tons 1.52 tons 2.03 tons 2.71 tons 2.27 tons 1.68 tons 2.93 tons 3.66 tons 1.73 tons
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