Heptachlor-exo-epoxide, 100 µg/ml, Acetonitrile,

12.880 µS/cm conductivity solution (230mL)

Hexyl 2-ethylhexyl phthalate (isomer mixture), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 75673-16-4 (CAS of single isomer)

Sudan 4, certified, 0.25g