<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0188-4999</journal-id>
<journal-title><![CDATA[Revista internacional de contaminación ambiental]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Int. Contam. Ambient]]></abbrev-journal-title>
<issn>0188-4999</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias de la Atmósfera y Cambio Climático]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-49992018000200355</article-id>
<article-id pub-id-type="doi">10.20937/rica.2018.34.02.15</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[ANALYTICAL PERFORMANCE OF MICROWAVE-ASSISTED SOLVENT EXTRACTION (MASE) FOR THE ROUTINE DETERMINATION OF PAHs IN POLLUTED SOILS BY GAS CHROMATOGRAPHIC-MASS SPECTROMETRY (GC-MS)]]></article-title>
<article-title xml:lang="es"><![CDATA[METODOLOGÍA ANALÍTICA PARA LA EXTRACCIÓN CON SOLVENTES ASISTIDA POR MICROONDAS (MASE) DE CONTAMINANTES EN SUELOS Y SU DETERMINACIÓN POR CROMATOGRAFÍA DE GASES CON DETECTOR ESPECTROMÉTRICO DE MASAS]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Uría]]></surname>
<given-names><![CDATA[José Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo-Busto]]></surname>
<given-names><![CDATA[Estela Del]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Oviedo Departamento de Química Física y Analítica ]]></institution>
<addr-line><![CDATA[Oviedo ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Laboratoire National de Métrologie et d´Essais Département Biomédical et Chimie Inorganique ]]></institution>
<addr-line><![CDATA[Paris ]]></addr-line>
<country>France</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<volume>34</volume>
<numero>2</numero>
<fpage>355</fpage>
<lpage>366</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992018000200355&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992018000200355&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992018000200355&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The extraction of polycyclic aromatic hydrocarbons (PAHs) from polluted soil samples using microwave-assisted solvent extraction (MASE) with subsequent determination by gas chromatography-mass spectrometry (GC-MS) was investigated. The optimum conditions for the extraction were established and, after cleansing the extracts, pollutants were quantified by GC-MS. The detection limits for the 16 USEPA members of the family, analysis time, precision and linear range of the analysis were also established. The proposed extraction methodology was compared with the most conventional Soxhlet extraction technique, and validated by applying MASE to a reference soil sample. Good recoveries for the majority of PAHs (when the calibrations were carried out by using internal standards), a significant shortening of the time of analysis and the volume-reduction of solvent used were observed. Therefore, the MASE sample preparation methodology is a very good alternative to the extraction of PAHs from soil samples before final determination by GC-MS.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Se investiga la extracción de hidrocarburos aromáticos policíclicos (HAP) de muestras de suelo utilizando extracción con solventes asistida por microondas (MASE) y la posterior determinación de contaminantes mediante cromatografía de gases con detección de espectrometría de masas (GC-MS). Se establecieron las condiciones óptimas para la extracción y tras la limpieza de los extractos, los contaminantes fueron cuantificados por GC-MS. Se establecieron los límites de detección para los 16 miembros de la familia según la clasificación de la USEPA, el tiempo de análisis, la precisión y el rango dinámico lineal. Se comparó la metodología de extracción propuesta con el método convencional Soxhlet y se evaluó el método que se propone, aplicándolo a una muestra de suelo de referencia. Se obtuvieron buenas recuperaciones para la mayoría de los HAP (cuando las calibraciones se realizaban mediante patrón interno) y se observó una importante reducción del tiempo de análisis así como del volumen de solvente utilizado. Se demostró que la metodología de preparación de muestras de suelo mediante MASE es una buena alternativa para la extracción de HAP antes de la determinación por GC-MS.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[pollutants]]></kwd>
<kwd lng="en"><![CDATA[analysis]]></kwd>
<kwd lng="en"><![CDATA[method]]></kwd>
<kwd lng="en"><![CDATA[solid]]></kwd>
<kwd lng="en"><![CDATA[samples]]></kwd>
<kwd lng="es"><![CDATA[contaminantes]]></kwd>
<kwd lng="es"><![CDATA[análisis]]></kwd>
<kwd lng="es"><![CDATA[método]]></kwd>
<kwd lng="es"><![CDATA[muestras sólidas]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Andersson]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Hartonen]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Hyötiläinin]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Riekkola]]></surname>
<given-names><![CDATA[M.L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pressurised hot water extraction and thermal desorption of polycyclic aromatic hydrocarbons from sediment with use of a novel extraction vessel]]></article-title>
<source><![CDATA[Anal. Chim. Acta]]></source>
<year>2002</year>
<volume>466</volume>
<page-range>93-7</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barnabas]]></surname>
<given-names><![CDATA[I.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Dean]]></surname>
<given-names><![CDATA[J.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Fowlin]]></surname>
<given-names><![CDATA[I.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Owen]]></surname>
<given-names><![CDATA[S.P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Extraction of polycyclic aromatic hydrocarbons from highly contaminated soils using microwave energy]]></article-title>
<source><![CDATA[Analyst]]></source>
<year>1995</year>
<volume>120</volume>
<page-range>1897-901</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Budzinski]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Letellier]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Garrigues]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Le Menach]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optimisation of the microwave-assisted extraction in open cell of polycyclic aromatic hydrocarbons from soils and sediments: Study of moisture effect]]></article-title>
<source><![CDATA[J. Chromatogr.]]></source>
<year>1999</year>
<volume>A 837</volume>
<page-range>187-92</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bouzige]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Pichon]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Hennion]]></surname>
<given-names><![CDATA[M.C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Class-selective immunosorbent for trace-level determination of polycyclic aromatic hydrocarbons in complex sample matrices, used in off-line procedure or on-line coupled with liquid chromatography/fluorescence and diode array detections in series]]></article-title>
<source><![CDATA[Environ. Sci. Technol.]]></source>
<year>1999</year>
<volume>33</volume>
<page-range>1916-21</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cejpec]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Hajslovà]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Jehlickovà]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Merhaut]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Simplified extraction and cleanup procedure for the determination of PAHs in fatty and protein-rich matrices]]></article-title>
<source><![CDATA[Int. J. Environ. Anal. Chem.]]></source>
<year>1995</year>
<volume>61</volume>
<page-range>65-9</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chee]]></surname>
<given-names><![CDATA[K.K.]]></given-names>
</name>
<name>
<surname><![CDATA[Wong]]></surname>
<given-names><![CDATA[M.K.]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[H.K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optimization of microwave-assisted solvent extraction of polycyclic aromatic hydrocarbons in marine sediments using a microwave extraction system with high-performance liquid chromatography-fluorescence detection and gas chromatography-mass spectrometry]]></article-title>
<source><![CDATA[J. Chromatogr.]]></source>
<year>1996</year>
<volume>A 723</volume>
<page-range>259-65</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ganzler]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Salgo]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Valko]]></surname>
<given-names><![CDATA[K. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Microwave extraction : A novel sample preparation method for chromatography]]></article-title>
<source><![CDATA[J. Chromatogr.]]></source>
<year>1986</year>
<volume>A 371</volume>
<page-range>299-305</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lara-Gonzalo]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis forense ambiental de la contaminación multicomponente de un terreno industrial abandonado]]></source>
<year>2015</year>
<page-range>178-9</page-range><publisher-name><![CDATA[Universidad de Oviedo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Letellier]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Budzinski]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Microwave assisted extraction of organic compounds]]></article-title>
<source><![CDATA[Analusis]]></source>
<year>1999</year>
<volume>27</volume>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Letellier]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Budzinski]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of sediment grain size on the efficiency of focused microwave extraction of polycyclic aromatic hydrocarbons]]></article-title>
<source><![CDATA[Analyst]]></source>
<year>1999</year>
<volume>124</volume>
<page-range>5-11</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Librando]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Hutzinger]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Tringali]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Aresta]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Supercritical fluid extraction of polycyclic aromatic hydrocarbons from marine sediments and soil samples]]></article-title>
<source><![CDATA[Chemosphere]]></source>
<year>2004</year>
<volume>54</volume>
<page-range>1189-91</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Long]]></surname>
<given-names><![CDATA[G.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Winefordner]]></surname>
<given-names><![CDATA[J.D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Limit of detection. A closer look at the IUPAC definition]]></article-title>
<source><![CDATA[Anal. Chem.]]></source>
<year>1983</year>
<volume>55</volume>
<page-range>712-24</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López-Ávila]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Young]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Beckert]]></surname>
<given-names><![CDATA[W.F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Microwave-assisted extraction of organic compounds from standard reference soils and sediments]]></article-title>
<source><![CDATA[Anal. Chem.]]></source>
<year>1994</year>
<volume>66</volume>
<page-range>1097-102</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mahafley]]></surname>
<given-names><![CDATA[W.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Gibson]]></surname>
<given-names><![CDATA[D.T.]]></given-names>
</name>
<name>
<surname><![CDATA[Cernighia]]></surname>
<given-names><![CDATA[C.E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bacterial oxidation of chemical carcinogens: formation of polycyclic aromatic acids from benz[a]anthracene]]></article-title>
<source><![CDATA[Appl. Environ. Microb.]]></source>
<year>1988</year>
<volume>54</volume>
<page-range>2415-8</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Manoli]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Samara]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Polycyclic aromatic hydrocarbons in natural waters: sources, occurrence and analysis]]></article-title>
<source><![CDATA[TRAC-Trend. Anal. Chem.]]></source>
<year>1999</year>
<volume>18</volume>
<page-range>417-23</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Menzie]]></surname>
<given-names><![CDATA[C.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Potcki]]></surname>
<given-names><![CDATA[B.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Santodonato]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Exposure to carcinogenic PAHs in the environment]]></article-title>
<source><![CDATA[Environ. Sci. Technol.]]></source>
<year>1992</year>
<volume>26</volume>
<page-range>1278-84</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moore]]></surname>
<given-names><![CDATA[S.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramamoorthy]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Organic chemicals in natural waters - Applied monitoring and impact assessment]]></source>
<year>1994</year>
<page-range>292</page-range><publisher-loc><![CDATA[N.Y. ]]></publisher-loc>
<publisher-name><![CDATA[Springer Verlag]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pino]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Ayala]]></surname>
<given-names><![CDATA[J. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Afonso]]></surname>
<given-names><![CDATA[A.M.]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ultrasonic micellar extraction of polycyclic aromatic hydrocarbons from marine sediments]]></article-title>
<source><![CDATA[Talanta]]></source>
<year>2001</year>
<volume>54</volume>
<page-range>15-22</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Popp]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Keil]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Moder]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Paschke]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Thuss]]></surname>
<given-names><![CDATA[U.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Application of accelerated solvent extraction followed by gas chromatography, high-performance liquid chromatography and gas chromatography-mass spectrometry for the determination of polycyclic aromatic hydrocarbons, chlorinated pesticides and polychlorinated dibenzo-p-dioxins and dibenzofurans in solid wastes]]></article-title>
<source><![CDATA[J. Chromatogr.]]></source>
<year>1997</year>
<volume>A 774</volume>
<page-range>203-7</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Richer]]></surname>
<given-names><![CDATA[B.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[B.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ezzell]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Poter]]></surname>
<given-names><![CDATA[N.L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Accelerated solvent extraction: A technique for sample preparation]]></article-title>
<source><![CDATA[Anal. Chem.]]></source>
<year>1996</year>
<volume>68</volume>
<page-range>1033-8</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Saim]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Dean]]></surname>
<given-names><![CDATA[J.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Abdullah]]></surname>
<given-names><![CDATA[M.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Zakaria]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Extraction of polycyclic aromatic hydrocarbons from contaminated soil using Soxhlet extraction, pressurised and atmospheric microwave-assisted extraction, supercritical fluid extraction and accelerated solvent extraction]]></article-title>
<source><![CDATA[J. Chromatogr.]]></source>
<year>1997</year>
<volume>A 791</volume>
<page-range>361-6</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schantz]]></surname>
<given-names><![CDATA[M.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Nichols]]></surname>
<given-names><![CDATA[J.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Wise]]></surname>
<given-names><![CDATA[S.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of pressurized fluid extraction for the extraction of environmental matrix reference materials]]></article-title>
<source><![CDATA[Anal. Chem.]]></source>
<year>1997</year>
<volume>69</volume>
<page-range>4210-3</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Song]]></surname>
<given-names><![CDATA[Y.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Jing]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Fleischmann]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Wilke]]></surname>
<given-names><![CDATA[B.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparative study of extraction methods for the determination of PAHs from contaminated soils and sediments]]></article-title>
<source><![CDATA[Chemosphere]]></source>
<year>2002</year>
<volume>48</volume>
<page-range>993-8</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<collab>USEPA</collab>
<article-title xml:lang=""><![CDATA[Method 8100. Determination of polycyclic aromatic hydrocarbons in soil waste by gas chromatography]]></article-title>
<source><![CDATA[US Environmental Protection Agency]]></source>
<year>1986</year>
<publisher-loc><![CDATA[Washington DC ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="">
<collab>USEPA</collab>
<source><![CDATA[Test Methods for evaluating solid waste. Method 3540 C. Soxhlet extraction]]></source>
<year>1995</year>
<publisher-loc><![CDATA[Washington DC. ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wild]]></surname>
<given-names><![CDATA[S.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[K.C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Polynuclear aromatic hydrocarbons in the United Kingdom environment: A preliminary source inventory and budget]]></article-title>
<source><![CDATA[Environ. Pollut.]]></source>
<year>1995</year>
<volume>88</volume>
<page-range>91-5</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
