beta-HCH, 100 µg/ml, Ethyl acetate, 5ml

Perfluorokerosene (bp. 210-240) for Mass spectrometry, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no.

2,2',3,3',4,4',5,5'-Octabromo[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Pentachlorophenol-PFB derivative