Gun Shot Residue

2,3,3',4',5,6-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 74472-44-9

2,6-Dichlorobenzamide, 100 µg/ml, Acetonitrile,

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