<?xml version="1.0" encoding="UTF-8"?><collection xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.loc.gov/MARC21/slim" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd"><record><leader>02289nam a2200445   4500</leader><controlfield tag="001">003190811</controlfield><controlfield tag="003">MiAaHDL</controlfield><controlfield tag="005">20250726000000.0</controlfield><controlfield tag="006">m        d        </controlfield><controlfield tag="007">cr bn ---auaua</controlfield><controlfield tag="008">971103s1978    nvua     b   f000 0 eng d</controlfield><datafield tag="020" ind1=" " ind2=" "><subfield code="c">pbk.</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(MiU)990031908110106381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">sdr-miu.990031908110106381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">sdr-ucr.b10744770</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="z">(MiU)MIU01000000000000003190811-goog</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)4718942</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="z">(MiU)Aleph003190811</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">GPO</subfield><subfield code="c">GPO</subfield><subfield code="d">WAU</subfield><subfield code="d">ERB</subfield><subfield code="d">OCL</subfield><subfield code="d">EYM</subfield><subfield code="d">UtOrBLW</subfield></datafield><datafield tag="074" ind1=" " ind2=" "><subfield code="a">431-I-24</subfield></datafield><datafield tag="086" ind1="0" ind2=" "><subfield code="a">EP 1.23/5:600/4-78-051</subfield></datafield><datafield tag="088" ind1=" " ind2=" "><subfield code="a">EPA-600/4-78-051</subfield></datafield><datafield tag="096" ind1=" " ind2=" "><subfield code="a">QV 290 B396m 1978</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Beckert, Werner F.</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Mercury, lead, arsenic, and cadmium in biological tissue :</subfield><subfield code="b">the need for adequate standard reference materials /</subfield><subfield code="c">by Werner F. Beckert, Monitoring Systems Research and Development Division, Environmental Monitoring and Support Laboratory.</subfield></datafield><datafield tag="260" ind1=" " ind2=" "><subfield code="a">Las Vegas, Nev. :</subfield><subfield code="b">Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory ;</subfield><subfield code="a">Springfield, Va. :</subfield><subfield code="b">for sale by the National Technical Information Service,</subfield><subfield code="c">1978.</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">vi, 60 p. :</subfield><subfield code="b">ill ;</subfield><subfield code="c">28 cm.</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">unmediated</subfield><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">volume</subfield><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="490" ind1="0" ind2=" "><subfield code="a">Environmental monitoring series ;</subfield><subfield code="v">EPA-600/4-78-051</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">Issued Aug. 1978.</subfield></datafield><datafield tag="504" ind1=" " ind2=" "><subfield code="a">Bibliography: p. 28-43.</subfield></datafield><datafield tag="538" ind1=" " ind2=" "><subfield code="a">Mode of access: Internet.</subfield></datafield><datafield tag="650" ind1=" " ind2="2"><subfield code="a">Cadmium.</subfield><subfield code="0">http://id.nlm.nih.gov/mesh/D002104</subfield></datafield><datafield tag="650" ind1=" " ind2="2"><subfield code="a">Arsenic.</subfield><subfield code="0">http://id.nlm.nih.gov/mesh/D001151</subfield></datafield><datafield tag="650" ind1=" " ind2="2"><subfield code="a">Lead.</subfield><subfield code="0">http://id.nlm.nih.gov/mesh/D007854</subfield></datafield><datafield tag="650" ind1=" " ind2="2"><subfield code="a">Mercury.</subfield><subfield code="0">http://id.nlm.nih.gov/mesh/D008628</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Cadmium.</subfield><subfield code="0">http://id.loc.gov/authorities/subjects/sh85018635</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Arsenic.</subfield><subfield code="0">http://id.loc.gov/authorities/subjects/sh85007449</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Lead.</subfield><subfield code="0">http://id.loc.gov/authorities/subjects/sh85075435</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Mercury.</subfield><subfield code="0">http://id.loc.gov/authorities/subjects/sh85083794</subfield></datafield><datafield tag="710" ind1="2" ind2=" "><subfield code="a">Environmental Monitoring and Support Laboratory (Las Vegas, Nev.).</subfield><subfield code="b">Monitoring Systems Research and Development Division.</subfield><subfield code="0">http://id.loc.gov/authorities/names/n78061304</subfield><subfield code="1">http://id.loc.gov/rwo/agents/n78061304</subfield></datafield><datafield tag="899" ind1=" " ind2=" "><subfield code="a">39015041321699</subfield></datafield><datafield tag="CID" ind1=" " ind2=" "><subfield code="a">003190811</subfield></datafield><datafield tag="DAT" ind1="0" ind2=" "><subfield code="a">20241218051021.0</subfield><subfield code="b">20250726000000.0</subfield></datafield><datafield tag="DAT" ind1="1" ind2=" "><subfield code="a">20260320165413.0</subfield><subfield code="b">2026-03-21T09:49:19Z</subfield></datafield><datafield tag="DAT" ind1="2" ind2=" "><subfield code="a">2024-10-08T17:30:02Z</subfield></datafield><datafield tag="CAT" ind1=" " ind2=" "><subfield code="a">SDR-MIU</subfield><subfield code="c">miu</subfield><subfield code="d">ALMA</subfield><subfield code="l">prepare.pl-004-009</subfield></datafield><datafield tag="FMT" ind1=" " ind2=" "><subfield code="a">BK</subfield></datafield><datafield tag="HOL" ind1=" " ind2=" "><subfield code="0">sdr-miu.990031908110106381</subfield><subfield code="a">MiU</subfield><subfield code="b">SDR</subfield><subfield code="c">MIU</subfield><subfield code="f">003190811</subfield><subfield code="p">mdp.39015041321699</subfield><subfield code="s">MIU</subfield><subfield code="1">990031908110106381</subfield></datafield><datafield tag="974" ind1=" " ind2=" "><subfield code="b">MIU</subfield><subfield code="c">MIU</subfield><subfield code="d">20260321</subfield><subfield code="s">google</subfield><subfield code="u">mdp.39015041321699</subfield><subfield code="y">1978</subfield><subfield code="r">pd</subfield><subfield code="q">bib</subfield><subfield code="t">US fed doc--NTIS: pubdate &lt; 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