Heptachlor-exo-epoxide, 100 µg/ml, Methanol, 1ml

WS Herbicide Acid Mix #2

Benzyl n-butyl phthalate-3,4,5,6-d7,1000 µg/mL,isooctane,1mL,

Potassium perfluoro(2-ethoxyethane)sulfonate, 1.2ml x 50ug/ml, methanol