EPA Method 525 - Fortification Solution

3,3'-Dichlorobenzidine, 100 µg/ml, Acetonitrile,

1,2,3,4-Tetrahydrocarbazole, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 942-01-8

Metolachlor oxanilic acid, 100µg/ml in MeOH, 1ml