***Additions to Method 8270, 2.0 mg/mL in Dichloromethane:Methanol (75:25), 1 mL 7049-GC It is supplied in a

It is supplied in a unit of 5 x 1 mL and should be stored in the freezer at less than -10 °C

This Certified Reference Material at a concentration of 1000 µg/mL in Hexane:Toluene (50:50) is composed of 6 analytes

as well as supplemental Dithiothreitol and a Glutathione Redox System

This Certified Reference Material of varied mass% in Isooctane is composed of 3 analytes

This Certified Reference Material at a concentration of 500 ug/mL in Acetone is composed of 6 analytes

***Additions to Method 8270, 2.0 mg/mL in Dichloromethane:Methanol (75:25), 1 mL 7049-GC It is supplied in aThis Certified Reference Material at a concentration of 2. 0 mg mL in Dichloromethane: Methanol (75: 25) is composed of 5 analytes. It is supplied in a unit of 1 mL and should be stored in the freezer at less than 10 C.