PCB No. 81, 10µg/ml in Isooctane, 10ml

1,2,4-Triazole, 1000µg/ml in Acetonitrile, 1ml

Dichlorofluoromethane

d2 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL in Isooctane, 1ml