*EPA Method 521 Surrogate Standard Stock Solution, 1000 µg/mL in Methylene chloride, CAS # 17829-05-9, 1 mL 7058-PIANO This Certified Reference Material at

This Certified Reference Material at a concentration of 1000 µg/g in n-Dodecane is composed of 6 analytes

This Certified Reference Material of varied concentration in Isooctane is composed of 13 analytes

This Certified Reference Material at a concentration of 100 µg/mL in Ethyl acetate is composed of 23 analytes

This Certified Reference Material at a concentration of 30 µg/g in Isooctane:Toluene (75:25) is composed of a single analyte

This Certified Reference Material at a concentration of 1000 µg/mL in Water is composed of 6 analytes

*EPA Method 521 Surrogate Standard Stock Solution, 1000 µg/mL in Methylene chloride, CAS # 17829-05-9, 1 mL 7058-PIANO This Certified Reference Material atThis Certified Reference Material at a concentration of 1000 g mL in Methylene chloride is composed of a single analyte. It is supplied in a unit of 1 mL and should be stored in the freezer at less than 10 C.