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Environ Sci Technol. 2011 Apr 1;45(7):2562-9. doi: 10.1021/es103300g. Epub 2011 Mar 10.

Estimating production data for five engineered nanomaterials as a basis for exposure assessment.

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  • 1Department of Civil and Environmental Engineering, Duke University, P.O. Box 90287, Durham, North Carolina 27708-0287, United States.

Erratum in

  • Environ Sci Technol. 2011 May 1;45(9):4190.

Abstract

The magnitude of engineered nanomaterials (ENMs) being produced and potentially released to the environment is a crucial and thus far unknown input to exposure assessment. This work estimates upper and lower bound annual United States production quantities for 5 classes of ENMs. A variety of sources were culled to identify companies producing source ENM products and determine production volumes. Using refining assumptions to attribute production levels from companies with more reliable estimates to companies with little to no data, ranges of U.S. production quantities were projected for each of the 5 ENMs. The quality of data is also analyzed; the percentage of companies for which data were available (via Web sites, patents, or direct communication) or unavailable (and thus extrapolated from other companies' data) is presented.

PMID:
21391627
DOI:
10.1021/es103300g
[PubMed - indexed for MEDLINE]
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