EPA Method 551.1 Performance Check Sol’n

3,3'-Dinitrobenzidine, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 6271-79-0

Monocrotophos, 100 µg/ml, Toluene, 1ml

Fluoranthene, 10µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 206-44-0