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

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

13C6-trans-1,2-Dihydroxy-1,2-dihydronaphthalene , neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

Multi-Element Internal Standard /