Ethyl acetate-1,2-13C2,2000 µg/mL,MeOH,1mL,

2,2',3,3',5,5',6,6'-Octachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

3-Methyldibenzothiophene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-52-3

Tetrabromophthalic acid