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▶ 📝 Notes

* Sampling system model: Unity2 and CIA8 (U-CIA 8-2S) * Oxidant removal: Heated line * Blank substraction: Applied for benzene only * Linearity check frequency: Annual, or when changes are made to system

▶ 💨 Sample from 9999-01-01

Pump
Kind of pump	Membrane
Pump manufacturer	[Referenz-ID: 576]
Air flow	28.0 mL/min
Sample air flow select	Vacuum sampling

▶ 🔧 Inlet System from 9999-01-01

Line heating	40.0 degC
Residence time	3.0 s
Lower mesh size	2.0 µm
Upper mesh size	2.0 µm
Inlet tube material	Other
Filter inlet material	Stainless steel
Distance from nox inlet	0.0 m
Inlet line heating bool	✓
Distance from ozone inlet	0.0 m
Inlet tube material if other	13 m of 40 mm diameter heated glass folllowed by 2 m 1/4" PTFE
Measurement height above ground	7.5 m
Measurement height above building	5.7 m

▶ ⚗️ GC System from 9999-01-01

First column
Length	50.0 m
Material	Alumina PLOT
Film thickness	10.0 µm
Inner diameter	530.0 µm
Second column
Length	60.0 m
Material	StabilWax
Film thickness	1.5 µm
Inner diameter	530.0 µm
Instrument model	[Referenz-ID: 906]
Pre column select box	✗
Instrument manufacturer	[Referenz-ID: 547]
Instrument serial number	CN12191070
Second column select box	✓

▶ 📡 Detection from 9999-01-01

Select	FID
System
Detection model	[Referenz-ID: 906]
Detection manufacturer	[Referenz-ID: 547]
Detection serial number	CN12191070

▶ 🌬️ Air Sampling from 9999-01-01

Sampling volume	1.1 L
Sampling duration	40.0 min
Sampling system model	[Referenz-ID: 901]
Air sampling technique	Concentrating on adsorbents
Concentrating on adsorbents
Adsorption material	Markes International Ozone Precursor Trap
Adsorption temperature	-30.0 degC
Desorption temperature	300.0 degC
Sampling system manufacturer	[Referenz-ID: 583]
Sampling system serial number	U21811 (Unity2) and CIA8 -10183 (CIA8)

▶ 📐 Calibration from 9999-01-01

Blank substraction	Applied
Zero gas generation	Other
Calibration frequency	1.0 months
Zero gas blank frequency	1.0 months
Linearity check frequency	4.0 hours
Zero gas generation if other	TOC-625 Prker hannafin filtration

Calibration Certificates (1)

Name: NPL_NMHCs_2021_CVO Supplier: NPL Cylinder: D933520 Valid: 2021-11-04 → 2025-11-03

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▶ 🧪 Air Treatment from 9999-01-01

Bool other	✗
Co2 removal	None
Water removal	Cryotrap
Particle removal	Stainless steel screen

▶ 📤 Data Submission

Databases Database Submission ACTRIS 1.0 years

▶ ✅ Data QA/QC

Bool voc	✗
Bool other	✗
Bool ratios	✗
Bool calibrations	✗

▶ 📋 Measurement QA/QC

Checklist	1.0 weeks
Instrument log book	Electronic

▶ 🧬 Compounds from 9999-01-01

#	Name	Formula	ID
1	2-methylbutane	–	166
2	2-methyl-propane	–	164
3	benzene	–	225
4	ethane	–	252
5	ethene	–	255
6	ethyne	–	269
7	isoprene	–	288
8	n-butane	–	324
9	n-pentane	–	336
10	propane	–	361
11	propene	–	363
12	toluene	–	380