Evaluation of monitoring methods for nitrogen oxides

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      <subfield code="a">Evaluation of monitoring methods for nitrogen oxides</subfield>
      <subfield code="c">J. Laitinen... [et al.]</subfield>
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      <subfield code="a">This study was carried out to compare data of various dynamic monitoring methods for nitrogen oxides to the calculated data from a dynamic gas generator in the laboratory and to the data from a chemiluminescence analyser in the field. The solid sorbent tube method gave acceptable results for NO2 (90%) in the field tests compared to chemiluminescence analyser</subfield>
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      <subfield code="a">The Annals of occupational hygiene</subfield>
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      <subfield code="t">The Annals of occupational hygiene</subfield>
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      <subfield code="g">nº 3, June 1993 ; p. 307-314</subfield>
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