2-Nitrophenol, 100 µg/ml, Acetonitrile, 1ml

beta-Cyfluthrin

Chlordane, 2000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 57-74-9

2,3,4,6-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,