EPA Method 8021B Internal Standard

DL-2-Methyl-1-butanol, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 137-32-6

Dinaphtho[2,3-b;2',3'-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 242-51-3

Chromafenozide, 100 µg/ml, Acetonitrile, 5ml