Dow 624A Volatile Internal/Surrogate Standard

1,3-Diethylbenzene, 100mg

Perylene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 198-55-0

15N3-Atrazine, 100 µg/ml, Acetonitrile, 1ml