gamma-HCH, 100 µg/ml, Acetonitrile, 5ml

2,2',4,5'-Tetrachlorobiphenyl (49)

N,N-Dimethylguanidine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 6145-42-2

Benfluralin, 10.0 µg/ml, Ethyl acetate, 10ml