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Labeling Process - CAIS-ECAC

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World Calibration Centre for Aerosol Physics (WCCAP)
The WCCAP was founded in 2002 to serve as a competence center for in-situ physical and optical aerosol measurements as part of the world-wide GAW-program of the WMO. This WCCAP is world-wide unique for the quality assurance of physical and optical in-situ aerosol measurements and station audits to improve infrastructures.

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LABELING PROCESS STEP 1A – initial acceptance


The labeling process for a ACTRIS National Facility consists of several steps:

  • step 1a (initial acceptance)
  • step 1b (performance evaluation after 2 consecutive years of operation)
  • step 1c (review approval and obtaining the ACTRIS label)
  • step 2 (regular re-evaluation)

Here we explain the procedure of the step 1a, the initial acceptance, at CAIS-ECAC.





PROCEDURE OF THE LABELING


OPERATIONAL SUPPORT

Operational support which is organized by CAIS-ECAC on regular basis:
Operational Support
Instrument
Frequency
Modality of provision
Calibration Workshops at CAIS-ECACMicrophysical & optical instrumentsbiannuallyCall launched by CAIS-ECAC
Round-Robin-Tests at CAIS-ECAC
OC/EC
Organic tracers
Element analysis
annuallyCall launched by CAIS-ECAC
NF auditsNot regularCall launched by CAIS-ECAC


AUDITS

CAIS-ECAC started the NF audits in September 2021 with the pilot stations. Since then, 47 audits were performed (status July 2024).
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