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EPA Exposure Research - Environmental Sciences Division Publications: 200803-04-2009

taeda 1-ha plots centered in planted stands of ages 19 and 23 years with similar crown closures (70%) were ...

http://cfpub.epa.gov/ordpubs/nerlpubs/nerlpubs_esd_2008.cfm?ActType=Pu... (HTML)

EPA Exposure Research - Environmental Sciences Division Publications: 200303-04-2009

Rather than devise techniques to isolate and concentrate coeluting compounds prior to analysis by other analytical techniques, we have developed a high resolution mass spectrometric technique to identify compounds in complex environmental extracts based on GC ...

http://cfpub.epa.gov/ordpubs/nerlpubs/nerlpubs_esd_2003.cfm?ActType=Pu... (HTML)

1996 EPA Graduate Fellows | Publications | Forum | Fellowships | NCER | ORD | US EPA05-27-2009

Testing a new small-volume technique for determining Th-234 in seawater... An intercomparison of small- and large-volume techniques for thorium-234 in seawater.

http://www.epa.gov/ncer/fellows/forum/pubs_96.html (HTML)

2001 Annual Report | Chlorotriazine Protein Binding: Biomarkers of Exposure & Susceptibility

We also have been working on refining our radiometric techniques to determine the in vitro binding of radioactive atrazine and ...

http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)

2002 Annual Report | Development and Implementation of a Comprehensive Lake and Reservoir Strategy for Nebraska as a Model for Agriculturally Dominated Ecosystems08-11-2003

... data with measured limnological variables is currently underway, using multivariate techniques... lakes and were dated with 210Pb analysis to determine the age of sediment layers, as well as changes in sedimentation rates.

http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)