*Working Level Aroclor 1221 with Surrogates, Varied conc. in Isooctane, 5 mL 7027-Inorganic It is supplied as a

It is supplied as a set of 11 x 1 mL and should be stored in the freezer at less than -10 °C

This Certified Reference Material of varied conc in Isooctane:Toluene (97

CAS # 124-18-5

This Certified Reference Material of varied concentration by weight is composed of 10 analytes

25 mg/mL in Methanol is composed of a single analyte

*Working Level Aroclor 1221 with Surrogates, Varied conc. in Isooctane, 5 mL 7027-Inorganic It is supplied as aThis Certified Reference Material of varied concentration in Isooctane is composed of 3 analytes. It is supplied in a unit of 5 mL and should be stored at an ambient temperature of greater than 5 C.