***Additions to Method 8270, 2.0 mg/mL in CH2Cl2, M-8270-13A-R2, 1 mL 5350-Chromatography 2 mg/mL in Acetonitrile is

2 mg/mL in Acetonitrile is composed of 34 analytes

tr NH4OH is composed of a single analyte

n-Triacontane

This Certified Reference Material at a concentration of 2000 µg/mL in CH2Cl2 is composed of 14 analytes

This Certified Reference Material of varied concentration in Acetonitrile:Methanol (50:50) is composed of 7 analytes

***Additions to Method 8270, 2.0 mg/mL in CH2Cl2, M-8270-13A-R2, 1 mL 5350-Chromatography 2 mg/mL in Acetonitrile isThis Certified Reference Material at a concentration of 2. 0 mg mL in CH2Cl2 is composed of 10 analytes. It is supplied in a unit of 1 mL and should be stored in the freezer at less than 10 C. Sonicate before use.