Phenkapton, 100 µg/ml, Acetonitrile, 1ml

2,3,3',4,4',5,5'-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Endosulfan Sulfate, 1.2mL x 100ug/mL, nonane

Methyl octadecadienoate (9c,11tr) , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13058-52-1