***Additions to Method 8140, 0.2 mg/mL in Hexane:Acetone (90:10), 5 x 1 mL 7139-Manual This Certified Reference Material of

This Certified Reference Material of varied concentration by weight is composed of 6 analytes

This Certified Reference Material of varied concentration by w/w/% in Isooctane is composed of 29 analytes

This Certified Reference Material of varied concentration in Acetonitrile is composed of 7 analytes

This Certified Reference Material at a concentration of 500 µg/mL in Acetonitrile is composed of a single analyte

***Additions to Method 8140, 0.2 mg/mL in Hexane:Acetone (90:10), 5 x 1 mL 7139-Manual This Certified Reference Material ofThis Certified Reference Material at a concentration of 0. 2 mg mL in Hexane: Acetone (90: 10) is composed of 7 analytes. It is supplied in a unit of 5 x 1 mL and should be stored in the freezer at less than 10 C.