EPA Method 555 Phenoxy-acids Herbicides

1,3-Dinitrobenzene, 1000µg/ml in Acetonitrile, 1ml

2,2',3,4',5-Pentachlorobiphenyl (90)

4-n-Hexylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59662-31-6