Surrogate Standard

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

Butyl benzoate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 136-60-7

2-(N-methylperfluoro-1-butanesulfonamido)ethanol, 1.2mL x 50ug/mL, methanol