2',3,4',5,5'-Pentachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

EPA Method 8280 Calibration Kit, 5 ampoules, nonane

Clenbuterol hydrochloride

n-Alkanes C14-C32 (even + pristane/phytane) 12 Analytes, each 1000 µg/mL in isooctane; units: 1x1mL, 5x1mL, 10x1mL This standard includes all the even n-paraffins + pristane and phytane.