Volatile Mix #3

Metolachlor, 100µg/mL in Acetonitrile, 1ml

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

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 10µg/mL in Isooctane, 1ml