PTR-MS measurements in 2020-2021

Unit:			nmol/mol
Instrument:		Proton-Transfer-Reaction Quadrupole Mass Spectrometer
Timezone of data:	UTC
Local timezone:		CET/CEST
Temporal resolution:	hourly mean (native temporal resolution at 2.6 min in 2020 and 5.2 min in 2021)
Contacts:		valerie.gros@lsce.ipsl.fr, leila.simon@lsce.ipsl.fr
Station name:		SIRTA
Station GAW-Name:	SIRTA
Station GAW-ID:		GIF
Measurement latitude:	48.709
Measurement longitude:	2.159
Measurement altitude:	162m a.s.l.

Compounds correspondence:
mz_31	Formaldehyde proxy
mz_33	Methanol
mz_42	Acetonitrile
mz_45	Acetaldehyde
mz_46	mz_46
mz_47	Ethanol + Formic acid
mz_57	C4H8 + Propenal
mz_58	Allylamine
mz_59	Acetone
mz_60	Trimethylamine
mz_61	Acetic acid
mz_63	Dimethylsulfide
mz_69	Isoprene + Furan
mz_71	Methylvinylketone + Methacrolein
mz_73	Methylethylketone
mz_75	C3H6O2
mz_79	Benzene
mz_81	Monoterpenes fragments
mz_83	Methylfuran + C6H10
mz_85	Methylbutenone
mz_87	Butanedione + Methacrylic acid
mz_93	Toluene
mz_97	Furfural
mz_99	Furandione + Furfuryl alcohol
mz_107	C8-aromatics
mz_111	Benzenediol
mz_121	C9-aromatics
mz_137	Monoterpenes
mz_139	Nopinone
mz_147	Dichlorobenzene
mz_151	Pinonaldehyde

ACTRIS compounds correspondence:
The following compounds were quality assured by ACTRIS
mz_33	methanol
mz_42	acetonitrile
mz_45	ethanal
mz_57	2-propenal
mz_59	propanone
mz_69	isoprene
mz_71	MVK_MACR_crotonaldehyde
mz_73	butanone
mz_79	benzene
mz_93	toluene
mz_107	C8-alkylbenzenes
mz_137	monoterpenes

Flags:
ACTRIS compounds are flagged according to:
0.000	Valid
0.147	Value is lower or equal to the detection limit
0.559	Local contamination or local event
0.999	Invalid (no data)

Instrumental background measurements, calibration and quality control of the data are described in Simon et al. (ESSD)