***Regulated Semi-Volatiles Mixture, 500 µg/mL in Ethyl acetate, 1 mL 6983-Proficiency Testing This Certified Reference Material of

This Certified Reference Material of varied concentration by w/w% is composed of 8 analytes

1 mg/mL in Acetonitrile is composed of 11 analytes

This Certified Reference Material at a concentration of 100 µg/mL in Acetone is composed of 19 analytes

This Certified Reference Material at a concentration of 10000 µg/mL in 2-5% Nitric acid is composed of a single analyte

0 mg/mL in MtBE is composed of a single analyte

***Regulated Semi-Volatiles Mixture, 500 µg/mL in Ethyl acetate, 1 mL 6983-Proficiency Testing This Certified Reference Material ofThis Certified Reference Material at a concentration of 500 g mL in Ethyl acetate is composed of 25 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.