An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Zhang Y, Chen Y, Westerhoff P, Crittenden JC.Zhang Y, et al. Among authors: westerhoff p.Environ Sci Technol. 2008 Jan 1;42(1):321-5. doi: 10.1021/es0714991.Environ Sci Technol. 2008.PMID: 18350915
Song G, Wang J, Chiu CA, Westerhoff P.Song G, et al. Among authors: westerhoff p.Environ Sci Technol. 2010 Nov 1;44(21):8216-22. doi: 10.1021/es101208b.Environ Sci Technol. 2010.PMID: 20886826
Weir A, Westerhoff P, Fabricius L, Hristovski K, von Goetz N.Weir A, et al. Among authors: westerhoff p.Environ Sci Technol. 2012 Feb 21;46(4):2242-50. doi: 10.1021/es204168d. Epub 2012 Feb 8.Environ Sci Technol. 2012.PMID: 22260395Free PMC article.