<?xml version='1.0' encoding='utf-8'?>
<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:creator>J.W. Farrar</dc:creator>
  <dc:date>1998</dc:date>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.3133/ofr9852</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>U.S. Geological Survey ;&#13;
Branch of Information Services [distributor],</dc:publisher>
  <dc:title>Results of the U.S. Geological Survey's analytical evaluation program for standard reference samples : T-151(trace constituents), M-144 (major constituents), N-55 (nutrient constituents), N-56 (nutrient constituents), P-29 (low ionic strength constituents), GWT-2 (ground-water trace constituents), GWM-2 (ground-water major constituents), AMW-4 (acid mine water constituents), and Hg-25 (mercury) distributed in September 1997</dc:title>
  <dc:type>reports</dc:type>
</oai_dc:dc>