Semi-Volatile Standard

2,4,6,8-Tetrachlorodibenzothiophene, 1.2ml x 50ug/ml, toluene

(2RS)-2-(4-Ethylphenyl)propanoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 3585-52-2

Di-iso-nonyl phthalate in mixture with C8-10-branched alkyl o-phthalate , C9-rich, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 68515-48-0