Calion Internal Standard

2,3,4',6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

5 alpha(H)-Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 641-85-0

1-(4-Chlorophenyl)urea, 100 µg/ml, Acetonitrile,