13C6-Mefenamic acid, 10mg

1-Fluoronaphthalene, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 321-38-0

Arochlor 1242 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53469-21-9

1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL,