Procedures for collecting and processing streambed sediment and pore water for analysis of mercury as part of the National Water-Quality Assessment Program [electronic resource] / by Michelle A. Lutz, Mark E. Brigham, and Mark Marvin-DiPasquale.
Mode of access: Internet via the USGS web site. Address as of 12/09/08: http://pubs.usgs.gov/of/2008/1279/pdf/ofr20081279.pdf; current access available via PURL.
Note
Title from PDF title screen (viewed on Nov. 14, 2008).
At head of title on HTML title screen: National Water-Quality Assessment Program.