*Composite Mix #1 (Toxic Substances Mix #2), 2.0 mg/mL in CH2Cl2, 5 x 1 mL

This Certified Reference Material at a concentration of 2.0 mg/mL in CH2Cl2 is composed of 8 analytes. It is supplied in a unit of 5 x 1 mL and should be stored in the freezer at less than -10 °C.