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studies, yale university, 195 prospect street, new haven, connecticut 06511, united states. publication date (web): february 18, 2015 copyright © 2015 american chemical society. note: to preserve the accuracy and precision of definitions, observations, discussions, and conclusions, many of the notes are materials from the anthroposphere (i.e., human systems) to the biosphere (i.e., environment) in a manner that makes their future can occur during any stage of a material’s life (e.g., tailings and slag from the production stage or outputs to air, water, and soil quantifying dissipative loses and understanding their causes and the fate of metals is important because it reduces the quantity of metals available for recycling and reuse and increases dependence on primary sources.  losses to the environment also introduce eco-toxicological materials and methods the study considered metals in all the common forms of use: pure, each metal is as*igned “on a global market share basis” to one of the following material streams after it enters the use phase: prevents any form of recovery at end-of-life (e.g., sacrificial anodes, fertilizers), in which scattering and dispersion into the recycling, such as in the case of deoxidizing aluminum in steelmaking or the recovery of rare earth elements from exhausted glas* polishing ·         metals with a one year lifetime of use are as*umed to have a material flow that results in no accu*ulation and exit the ·         for metals with > one year use, material flow is calculate for its entire lifetime. ·         most of the uncertainties are as*umed to come from market shares, end-use lifetime distributions, and element release ·         56 metals were studied. ·         2008 was the average year of reference.. results and discussion metal dissipation and recycling potential. figure 2 shows the mas* flow percentage for the 4 material streams identified above. elements in the same group exhibit similar uses more than elements in the same period. some exceptions: