Carbon tetrachloride, 1000µg/ml in MeOH, 1ml

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

Phenol-Mix 1, 50µg/ml in MeOH, 10ml

trans-3-Hydroxycotinine, 100 µg/ml, Methanol, 1m