*Proposed DEP (MA)-EPH Matrix Spike, 25 µg/mL in Acetone, 1 mL 7049-GC This Certified Reference Material at

This Certified Reference Material at a concentration of 5000 µg/mL in Water is composed of 7 analytes

This Certified Reference Material is composed of a single analyte

This Certified Reference Material of varied concentration in 2-5% Nitric Acid is composed of 26 analytes

This Certified Reference Material at a concentration of 2500 µg/mL in Isopropanol is composed of 19 analytes

This Chemical Reference Standard is supplied as a neat chemical

*Proposed DEP (MA)-EPH Matrix Spike, 25 µg/mL in Acetone, 1 mL 7049-GC This Certified Reference Material atThis Certified Reference Material at a concentration of 25 g mL in Acetone is composed of 10 analytes. It is supplied in a unit of 1 mL and should be stored at an ambient temperature of greater than 5 C.