Heptachlor-exo-epoxide, 10 µg/ml, Cyclohexane, 1

Methyl octadecanoate C18:0, 10mg/ml in Hexane, 1ml

Silver (Ag), 1000µg/ml in 2%-HNO3/Water, 100ml

2,4-Dibromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 615-58-7