*Cation Standard - Ammonium, 100 µg/mL in Water, 500 mL 7008-PCBs PAHs 25%w/w per component is composed

25%w/w per component is composed of 16 analytes

This Certified Reference Material at a concentration of 10000 µg/mL in 10% Nitric acid is composed of a single analyte

This Certified Reference Material of varied concentration by weight is composed of 14 analytes

This Certified Reference Material at a concentration of 10 µg/mL in Isooctane is composed of 6 analytes

This Certified Reference Material at a concentration of 25 µg/mL in Hexane:Methylene Chloride 95:5 is composed of 31 analytes

*Cation Standard - Ammonium, 100 µg/mL in Water, 500 mL 7008-PCBs PAHs 25%w/w per component is composedThis Certified Reference Material at a concentration of 100 g mL in Water is composed of a single analyte. It is supplied in a unit of 500 mL and should be stored at an ambient temperature of greater than 5 C.