2-Chlorophenol, 10.0 µg/ml, Methanol, 10ml

(+/-)-Norepinephrine hydrochloride,1000 µg base/mL,MeOH,1mL,

3,3',4,5'-Tetrabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Sulfamethazine, 100 µg/ml, Methanol, 1ml