<?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>03579cam a2200937Ii 4500</leader><controlfield tag="001">102893735</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">740523s1973    dcua     bt  f000 0 eng d</controlfield><datafield tag="029" ind1="1" ind2=" "><subfield code="a">NLGGC</subfield><subfield code="b">30420661X</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(MiU)99187625977706381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">sdr-miu.99187625977706381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)894359</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(GWLA)gwla ocm00894359 </subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">PAU</subfield><subfield code="b">eng</subfield><subfield code="e">rda</subfield><subfield code="c">PAU</subfield><subfield code="d">OCL</subfield><subfield code="d">LHL</subfield><subfield code="d">UPM</subfield><subfield code="d">TXJ</subfield><subfield code="d">NUI</subfield><subfield code="d">FUG</subfield><subfield code="d">OCLCQ</subfield><subfield code="d">OCLCF</subfield><subfield code="d">OCLCQ</subfield><subfield code="d">OCLCA</subfield><subfield code="d">FTU</subfield><subfield code="d">UAF</subfield><subfield code="d">VA@</subfield><subfield code="d">OCLCQ</subfield><subfield code="d">WURST</subfield><subfield code="d">COM</subfield><subfield code="d">OCLCO</subfield><subfield code="d">OCL</subfield><subfield code="d">TRAAL</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">MAIN</subfield></datafield><datafield tag="050" ind1="1" ind2="4"><subfield code="a">TD427.O7</subfield><subfield code="b">C87</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">910.4</subfield><subfield code="b">B497</subfield></datafield><datafield tag="086" ind1="0" ind2=" "><subfield code="a">EP 1.23/2:R 2-73-277</subfield></datafield><datafield tag="086" ind1="0" ind2=" "><subfield code="a">EP 1.23/2:73-277</subfield></datafield><datafield tag="088" ind1=" " ind2=" "><subfield code="a">EPA-R2-73-277</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Webb, Ronald G.,</subfield><subfield code="e">author.</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Current practice in GC-MS analysis of organics in water /</subfield><subfield code="c">by Ronald G. Webb [and three others].</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Washington, D.C. :</subfield><subfield code="b">U.S. G.P.O.,</subfield><subfield code="c">1973.</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">viii, 91 pages :</subfield><subfield code="b">illustrations ;</subfield><subfield code="c">27 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 protection technology series ;</subfield><subfield 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