EPA Method 551Mix “A”

2-Hydroxydibenzothiophene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 22439-65-2

Diethofencarb, 10.0 µg/ml, Acetonitrile, 10ml

N6,O2'-Dimethyladenosine, 10mg