Parathion-methyl, 100 µg/ml, Ethyl acetate, 5ml

2,3',4,5-Tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 32598-11-1

L-Ascorbic acid sodium, 100µg/ml in Acetonitrile,

Prosulfocarb