ECs	Emerging contaminants
LC-HRMS	Liquid chromatography–high-resolution mass spectrometry
NTS	Non-targeted screening
MN	Molecular networking
POPs	Persistent organic pollutants
HRMS	High-resolution mass spectrometry
TPs	Transformation products
MS/MS	Tandem mass spectrometry
PFAS	Per- and polyfluoroalkyl substances
GNPS	Global Natural Products Social
CLMN	Classic molecular networking
FBMN	Feature-based molecular networking
IIMN	Ion identity molecular networking
UPLC-Q-TOF-MS/MS	Ultra-high-performance liquid chromatography–quadrupole time-of-flight tandem mass spectrometry
SPE	Solid-phase extraction
LLE	Liquid–liquid extraction
MSPD	Matrix solid-phase dispersion
DDA	Data-dependent acquisition
DIA	Data-independent acquisition
MS1	Precursor ions
MS2	Product ions
TIC	Total ion chromatogram
EIC	Extracted ion chromatogram
LC-MS	Liquid chromatography–mass spectrometry
GC-MS	Gas chromatography–mass spectrometry
QSIIR	Quantitative structure–retention time relationship
ICP-OES	Inductively coupled plasma optical emission spectrometry
SSW	Substance screening process
HPLC-TOF-HRMS	High-performance liquid chromatography–time-of-flight high-resolution mass spectrometry
NIST	National Institute of Standards and Technology
LC-MS/MS	Liquid chromatography–tandem mass spectrometry
LOD	Limit of detection
LOQ	Limit of quantitation
LC-Q-TOF-MS	Liquid chromatography–quadrupole time-of-flight mass spectrometry
PPCPs	Pharmaceuticals and personal care products
DCM	Dichloromethane
UAE	Ultrasonic-assisted extraction
CE	Collision energy
AI	Artificial intelligence