*2,4-D methyl ester, 0.2 mg/mL in Hexane, CAS # 1928-38-7, 1 mL 7057-PCB PAH This Certified Reference Material at

This Certified Reference Material at a concentration of 200 µg/mL in MtBE is composed of a single analyte

This Certified Reference Material of varied concentration in CH2Cl2 is composed of 5 analytes

This Certified Reference Material at a concentration of 500 µg/mL in Hexane is composed of 18 analytes

Stabilizer is composed of a single analyte

This Certified Reference Material of varied concentration in n-Heptane is composed of 4 analytes

*2,4-D methyl ester, 0.2 mg/mL in Hexane, CAS # 1928-38-7, 1 mL 7057-PCB PAH This Certified Reference Material atThis Certified Reference Material at a concentration of 0. 2 mg mL in Hexane is composed of a single analyte. 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.