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Intercomparison of BTEX measurements and revision of historical BTEX data in Oslo.

Schmidbauer, N.

Publication details

Series: NILU OR 02/2015

Publisher: NILU

Year: 2015

ISBN: 978-82-425-2744-8

File: NILU OR 2/2015 (pdf)

Summary: Parallel measurements of BTEX with diffusive sampling in Oslo confirmed large deviations between the two involved laboratories NILU and Molab. The following investigation identified that Molab was using wrong uptake rates in their final calculation of the results. All BTEX results delivered by Molab between 2008 and 2014 have to be revised downwards with factors between 2,4 and 2,9.