Herbicide Acid Methyl Esters Mix

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

Cholest-5-en-3ß-ol , 600µg/mL, Solvent-n-hexane, Unit 10mL, # of units-1, Cas.no. 57-88-5

Benzo[e]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 205440-82-0