*1,2,3,4,6,7,8-Heptachlorodibenzofuran, 50 µg/mL in Toluene, CAS # 38998-75-3, 1 mL PAH This Certified Reference Material at

This Certified Reference Material at a concentration of Equal w/w% is composed of 24 analytes

This Certified Reference Material at a concentration of 100 µg/mL in Acetone is composed of 20 analytes

B-complex vitamins

This Certified Reference Material of varied concentration by %w/w is composed of 11 analytes

*1,2,3,4,6,7,8-Heptachlorodibenzofuran, 50 µg/mL in Toluene, CAS # 38998-75-3, 1 mL PAH This Certified Reference Material atThis Certified Reference Material at a concentration of 50 g mL in Toluene 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.