1,2,4-Trichlorobenzene, 10 µg/ml, Acetonitrile,

EPA Method 504 - EDB & DBCP

d4 C27 alpha alpha alpha (20R)-Cholestane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-74-4

Dialifos, 100 µg/ml, Ethyl acetate, 1ml