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                  <mods:namePart>Margalef Marti, Rosanna</mods:namePart>
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                  <mods:namePart>Carrey Labarta, Raúl</mods:namePart>
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               <mods:name>
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                  <mods:namePart>Otero Pérez, Neus</mods:namePart>
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                  <mods:namePart>Domènech Ortí, Cristina</mods:namePart>
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                  <mods:namePart>Soler i Gil, Albert</mods:namePart>
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               <mods:abstract>Nitrate (NO3-) pollution of groundwaterhas become a relevant issue and anenvironmental priority as it is related toecological and human health problems(Rivett et al. 2008) and its concentration is still above the threshold limit of 50mg/L in many areas (Nitrate Directive, 91/676/EEC). Contamination sources of NO3 - are linked to extensive use of fertilizers, inappropriate placement of animal waste and spills from septic system effluents.</mods:abstract>
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