Metolachlor OA, 10mg

Heptachlor epoxide

2,4,6-Tribromophenol, Internal Standard Stock Solution Cat No 2060.6 1.148mg/mL, in ethanol, 5mL

Perfluoro-1-heptanesulfonamide, 1.2mL x 50ug/mL, isopropanol