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Standard Operating Procedures and Measurement Guidelines for ACTRIS near surface trace gases

Below is a list of measurement guidelines and standard operating procedures (SOPs) used for trace gas near surface measurements within ACTRIS. The SOPs provides guidelines for good measurement practice. The methodologies, guidelines and SOPs are also recommended within EMEP, and GAW.  SOPs and recommendations within EMEP for other variables not included in ACTRIS is available from the EMEP-CCC and the EBAS data submission site

Component Category Description Access to documents and reports
NOx Measurement guidelines The ACTRIS measurement guidelines for submission of NOx data under ACTRIS contains many helpful features to check the quality of the data. ACTRIS measurement guidelines on NOx
NOx Measurement guidelines A WMO/GAW Expert Workshop on Global Long-Term Measurements of NOx. Description of the state-of-the art NOx measurements of GAW sites.  GAW report No. 195.
VOC Measurement guidelines The ACTRIS measurement guidelines for submission of VOC data under ACTRIS contains many helpful features to check the quality of the data.  ACTRIS measurement guidelines on VOC
VOC Measurement guidelines  Measurement guidelines for air sampling in stainless steel canisters for non-methane hydrocarbon analysis.  GAW-Report No. 204.
VOC Measurement guidelines A WMO/GAW Expert Workshop on Global Long-Term Measurements of VOCs Description of the state-of-the art VOC measurements of GAW sites.  GAW report No. 171.
VOC SOP EMEP standard procedure for offline measurements of OVOC by DNPH cartridges are described in Chapter 3.8 in the EMEP manual EMEP Manual for Sampling and Analysis
Ozone Measurement guidelines  MO/GAW guidelines for continuous measurements of tropospheric ozone. This variable is needed for corrections and recommended with the NOx guidelines. Guidelines for Continuous Measurements of Ozone in the Troposphere
NOx SOP CEN standard describing the procedure for measuring the concentration of NO and NO2 with online chemiluminescence instruments. Ambient air. Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
NOx
Intercomparison
A round robin was performed in 2012 within ACTRIS. Results are summarized in this report.
NO round robin experiment in ACTRIS
NOx Intercomparison A side-by-side intercomparison was performed in 2012 at Hohenpeissenberg (Germany) dwithin ACTRIS. Results are summarized in this report.
NOx side-by-side intercomparison in ACTRIS
VOC Intercomparison ACTRIS non-methane hydrocarbon intercomparison experiment in Europe to support WMO GAW and EMEP observation networks.This publication summarizes the results of a large intercomparison exercise during the ACTRIS. It contains the most updated information on analysis of VOCs in ACTRIS. Hoerger et al., AMT, 2015
VOC Intercomparison  European hydrocarbon intercomparison experiment AMOHA part 4: Canister sampling of ambient air. This publication contains the main findings of the AMOHA intercomparison in 2000. Although its contents are not from a recent publication, it still contains a lot of useful information.
Plass-Dülmer et al., JGR, 2006
VOC Intercomparison  The first VOC intercomparison exercise within the Global Atmosphere Watch (GAW). This first GAW-VOC intercomparison experiment highlights the need of a network-wide calibration standard (establishing of a scale) for improving data comparability.
Rappenglück et al., Atmos. Environ., 2006
VOC Intercomparison  Nonmethane Hydrocarbon Intercomparison Experiment (NOMHICE): Task 4, ambient air The NOMHICE program has been designed to evaluate current methods being used to determine the ambient levels of various atmospheric non-methane hydrocarbons, to identify existing problems in these analyses, to correct these problems and to help ensure quality control of hydrocarbon analyses made by atmospheric scientists throughout the world.
Apel et al., JGR, 2003
VOC Intercomparison  Monoterpenes in Air Samples: European Intercomparison Experiments
Steinbrecher et al., J. Environ. Anal. Chem., 1994
VOC Intercomparison  Intercomparison of oxygenated volatile organic compound measurements at the SAPHIR atmosphere simulation chamber. The first large-scale in situ intercomparison of oxygenated volatile organic compound (OVOC) measurements. The intercomparison was conducted blind at the large (270 m3) simulation chamber, Simulation of Atmospheric Photochemistry in a Large Reaction Chamber (SAPHIR), in Juelich, Germany.
Apel et al., JGR, 2008
VOC Intercomparison  Intercomparison of formaldehyde measurements at the atmosphere simulation chamber SAPHIR.
Wisthaler et al., ACP, 2008
VOC Intercomparison  Sampling and analysis of terpenes in air: an interlaboratory comparison
Larsen et al., Atmos. Environ., 1997