*Aroclor 1242, 500 ppm w/w in Transformer oil, CAS # 53469-21-9, 1 mL 6983-Proficiency Testing This Certified Reference Material of

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

tr Hydrofluoric acid is composed of 8 analytes

It is supplied in a unit of 2 g and should be stored at an ambient temperature of greater than 5 °C

It is supplied in a unit of 500 mL and should be stored at an ambient temperature of greater than 5 °C

This Certified Reference Material at a concentration of 25 µg/mL in Toluene is composed of a single analyte

*Aroclor 1242, 500 ppm w/w in Transformer oil, CAS # 53469-21-9, 1 mL 6983-Proficiency Testing This Certified Reference Material ofThis Certified Reference Material at a concentration of 500 ppm w w in Transformer oil 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.