Method 504.1LFB Mix

Undecanoic acid (Hendecanoic), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-37-8

2,2’,3,5’-Tetrachlorobiphenyl (44)

Parathion-ethyl, 100 µg/ml, Cyclohexane, 1ml