Table 3: Effect different recycling efficiency and Hg content of the CFL on the total environmental release of Hg.

Recycling efficiency (%) Hg content of CFL (mg) Hg release in environment (kg/y)
20 4.5 1592
50 4.5 1027
100 4.5 462
 
20 2.25 891
50 2.25 660
100 2.25 462

Source: SCHER  Opinion on Mercury in Certain Energy-saving Light Bulbs (2010), 3.3 Question C, p. 14