*Congener Calibration Set, C-CSN-SET, 4 x 1 mL 6993-PCBs PAHs This Certified Reference Material at

This Certified Reference Material at a concentration of 100 µg/mL in Hexane is composed of a single analyte

It is supplied in a unit of 25 mg and should be stored in the freezer at less than -10 °C

This Certified Reference Material of varied concentration in Pyridine is composed of 6 analytes

This Certified Reference Material of varied concentration by weight is composed of 7 analytes

*Congener Calibration Set, C-CSN-SET, 4 x 1 mL 6993-PCBs PAHs This Certified Reference Material atThis set of Chemical Reference Standards is composed of 4 components. It is supplied as a set of 4 x 1 mL and should be stored at an ambient temperature of greater than 5 C.