Phthalate Mix, 6 comp., 1000µg/ml in MeOH, 1ml

2,2',5,5'-Tetrachlorobiphenyl,neat,neat,10mg,

Isopropylbenzene, 1000µg/ml in Cyclohexane, 1ml

4-tert-Octylphenol-13C6monoethoxylate