30.97 End of interruption of work - split/merged Feb 20, 1997
CEN
CEN/TC 264 Air quality
European Norm
This European standard describes pumped tube sampling and diffusive sampling methods with analysis based on gas chromatography for the measurements of benzene concentrations in ambient air in the range 0 to 500 g/m3. This includes: - a procedure to determine the measurement uncertainty including reproducibility and an estimate of bias; instruction for quality assurance including instruction for calibration. Performance requirements for the overall uncertainty and data coverage are described in the 3rd Daughter Directive of the Air Framework Directive.
Legislation related to this standard
ABANDON
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30.97
End of interruption of work - split/merged
Feb 20, 1997