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▶ 🔧 Inlet System from 2001-05-01

Operated in atmospheric simulation chamber	✗
Measurement height above ground	17.0 m
Measurement height above building	2.0 m
Distance from NOx inlet	6.0 m
Distance from condensables inlet	5.0 m
Distance from ozone inlet	6.0 m
Inlet tube material	Highflow glass manifold (ID ~4cm, ~12m/s) into the laboratory from there treated stainless steel 1/16" (~50ml/min)
Residence time	2.0 s
Inlet line heating	✗
Filter inlet material	None

▶ 💨 Sample from 1998-01-01

Sample air flow	Vacuum sampling
Pump
Kind of pump	Membrane
Air flow	50.0 mL/min

▶ 🧬 Compounds from 1998-01-01

#	Name
1	ethane
2	ethene
3	propane
4	propene
5	2-methyl-propane
6	ethyne
7	n-butane
8	1-butene
9	2-methyl-1-butene
10	(Z)-2-butene
11	2-methylbutane
12	n-pentane
13	propyne
14	1,3-butadiene
15	(2E)-2-pentene
16	1-pentene
17	(2Z)-2-pentene
18	methylcyclopentane
19	2,3-dimethylbutane
20	2-methylpentane
21	3-methylpentane
22	n-hexane
23	isoprene
24	1-hexene
25	methyl-cyclohexane
26	2,3-dimethylpentane
27	3-methylhexane
28	n-octane
29	toluene
30	n-nonane
31	ethylbenzene
32	m/p-xylenes
33	o-xylene

▶ 🧪 Air Treatment during sampling from 1998-01-01

Water removal	Cryotrap
CO₂ removal	None
Oxidant removal	Cartridges/filter material
Cartridges/filter material	Na2S2O3
Particle removal	PTFE (Teflon)

▶ 🌬️ Air Sampling from 2008-02-01

Air sampling technique	sampling on LN2 cooled glass beads in 1/8" tubing @ -180°C
Air sampling system manufacturer	DWD
Air sampling system model	DWD custom-made
Sampling system serial number	0001
Sampling interval	12.0 hours
Air sampling duration	15.0 min
Air sampling volume	0.75 L

▶ 💉 Injection from 1998-01-01

Injection technique	Thermodesorption
Thermodesorption mode	Cryofocus
Cryofocus adsorption	-180.0 °C
Cryofocus desorption	314.0 °C
Injection split	Splitless

▶ ⚗️ GC System from 2008-02-01

Instrument manufacturer	Varian
Instrument model	Varian CP 3800
Instrument serial number	104633
First column
Length	50.0 m
Material	Al3O2
Film thickness	10.0 µm
Inner diameter	530.0 µm

▶ 📡 Detection from 2008-02-01

Detection method	FID
Detection system
Manufacturer	Varian

▶ 📐 Calibration from 1998-01-01

Zero gas generation technique	Catalyst
Zero gas generation with catalyst
Catalyst type	Custom-made PD/PT catalyst
Catalyst temperature	400.0 °C
Calibration frequency	2.0 weeks
Number of repetitions	3.0
Zero gas / Blank frequency	1.0 weeks
Blank substraction	Applied
Linearity check frequency	12.0 months

Certificates (2)

Name: NPL_NMHCs_2012_HPB Supplier: NPL Cylinder: D91 0379 Valid: 2012-11-14 → 2014-11-13 Applied: 2013-01-01 → 2024-12-31

📄 View PDF ⬇ Download PDF

Name: NPL_NMHCs_2024_HPB Supplier: NPL Cylinder: D217056 Valid: 2024-07-05 → 2029-07-04 Applied: 2025-01-01 → 2026-05-19

📄 View PDF ⬇ Download PDF

▶ 📋 Measurement QA/QC

Instrument log book	Electronic
Checklist	1.0 days

▶ ✅ Data QA/QC

Time series analysis of calibrations	✓
Time series analysis of compound ratios	✓
@VOC@	✓
Other QA/QC method	Check of time series of retention times and peak width (excel), Check of time series of target gases

▶ 📤 Data Submission

Database	Submission interval
ACTRIS	1.0 years
GAW-WDCRG	1.0 years
EMEP	1.0 years

▶ 👤 Operators

Operator	Level
0009-0006-5196-5402	scientist
Test User	technician
Test User	technician
Test User	scientist