Additional Internal Standard Solution, 1.2ml, toluene Back Catalog number: EPA-8280ISB Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 90345 Hexachlorophene Price on request 675033 Sodium Dodecylbenzenesulfonate (soft type) (LAS 10 Price on request M2-6:2FTS Sodium 1H,1H,2H,2H-perfluoro-1-[1,2-13C2]-octane sulfonate (6:2), 50µg/ml in MeOH, 1,2ml Price on request