2,2',3,4',5,5'-Hexachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane

17 alpha(H),21ß(H)-(22RS)-Homohopane, 50µg/mL in Isooctane, 1ml

PAH-Mixture A 13 Analytes, each 1000 µg/mL in toluene; unit: 1,5,10x1mL 1220.15 Bisphenol A [80-05-7] 0712.11 1-Methylnaphthalene [90-12-0] 0713.11 2-Methylnaphthalene

Parathion, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 56-38-2