Pendimethalin, 100 µg/ml, Ethyl acetate, 5ml

2,3,3',4,4'-Pentachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 32598-14-4

1,2,4-Trimethylbenzene

Silica (SiO2), 1000µg/ml in Water/0.5% NaOH, 100ml