VOCsvolatile organic compounds GC–MSgas chromatography–mass spectrometry SPMEsolid-phase microextraction S/Nsignal to noise ratio SIssimilarity indices MCR-ALSmultivariate curve resolution-alternating least square INSOIranian National Standardization Organization HS-SPMEheadspace solid phase microextraction PDMSpolydimethylsiloxane MSDmass spectrometry detector EIelectron-impact KRIKovats retention index ASCIIAmerican Standard Code for Information Interchange RTretention time PCAprincipal component analysis SVDsingle value decomposition EFAEvolving factor analysis FSMW-EFAfixed-size moving window-evolving factor analysis ZCRzero-component region SIMPLISMAsimple-to-use interactive self-modeling mixture analysis OPAorthogonal projection approach LOFlack of fit MFmatch factor RMFreverse match factor OVIoverall volume integration SEsolvent extraction PApolyacrylate TICtotal ion chromatogram PAHspolycyclic aromatic hydrocarbons PAEsphthalate esters DiBPdiisobutyl phthalate DBPdi-n-butyl phthalate DEPdiethyl phthalate DEHPdi-(2- ethyl) hexyl phthalate DMPdimethyl phthalate BHTbutylated hydroxytoluene