No.8

Introduction
Data Policy
Data
Documentation
Contact Information



Wank Peak

-NOx-

back
Station Contact Person(s) Observation Data and Quick Plot

Observation
Category : Air sampling observation
Situation :
Time zone : Local time +1


Sampling
Sampling height :
Description : continuous
Sampling and analysis frequency : Continuous
Sampling environment :
Description for sampling analysis : Bendix 8101C Modified to enable checks (performed daily).
CLD 770 AL Photolytic converter, PLC 760, for NO2 automatic zero and span measurements. Automatic daily checks of zero, span and converter efficiency (gas phase titration).
Automatic daily checks of zero and span (NO and NO2).


Instrument and Analysis
Measurement method :
Current status and history of instrument : Chemiluminescence
Description of instrument : Bendix (1982-1992)
ECO Physics (1993-1996)
Thermo Environmental Instruments Inc. (since 1995)
Bendix 8101C (1982-1992)
CLD 770 AL (1993-1996)
TE 42 (since 1995)


Calibration
Current scale employed in the measurement :
Measurement calibration : For Bendix, permeation tube referenced against standard gas mixtures, also for TE42.
For ECO Physics, standard gas mixture.
Scale and calibration(treasability) :


Data Processing
Measurement unit : ppb
Data processing : Obvious outlier is eliminated. No further data selection is applied so far.
Processing for averaging :

Data flag :
Data remarks :


Other Information
Scientific aim :
Reference :


submitted by Fraunhofer-Institute for Atmospheric Environmental Research

The WDCGG is operated by the Japan Meteorological Agency
in collaboration with the World Meteorological Organization