EPA Method 551.1 Standard

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

Benzaldehyde, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 100-52-7

3-Chlorothiophene in isooctane Units: 10mL screw-capped bottle