*Atrazine & Simazine, 0.2 mg/mL in Acetone, 1 mL 7057-PCB PAH This Certified Reference Material at

This Certified Reference Material at a concentration of 25 µg/mL in Acetone is composed of a single analyte

This Certified Reference Material at a concentration of 1000 µg/mL in 2-5% Hydrofluoric acid is composed of a single analyte

This Certified Reference Material at a concentration of 1000 µg/mL in Methanol is composed of 5 analytes

This Certified Reference Material at a concentration of 1000 µg/mL in Hexane:Acetone (80:20) is composed of 6 analytes

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

*Atrazine & Simazine, 0.2 mg/mL in Acetone, 1 mL 7057-PCB PAH This Certified Reference Material atThis Certified Reference Material at a concentration of 0. 2 mg mL in Acetone is composed of 2 analytes. It is supplied in a unit of 1 mL and should be stored at an ambient temperature of greater than 5 C. Sonicate before use.