D4-1,4-Dichlorobenzene, 100 µg/ml, Methanol, 1ml

Cefazolin sodium salt, 100mg

Methidathion, 10.0 µg/ml, Acetonitrile, 10ml

17 alpha(H),21 alpha(H)-30-Norhopane, 50µg/mL in Isooctane, 1ml