*EPA Method 521 Internal Standard Stock Solution, 1000 µg/mL in Methylene chloride, CAS # 93951-96-3, 5 x 1 mL TPH This Certified Reference Material in

This Certified Reference Material in a matrix of Hexane:Cyclohexane (50:50) is composed of 2 analytes

1 mg/mL in Water is composed of a single analyte

2 mg/mL in CH2Cl2 is composed of 27 analytes

Laboratory Use

This Certified Reference Material at a concentration of 300 µg/mL in Methanol is composed of a single analyte

*EPA Method 521 Internal Standard Stock Solution, 1000 µg/mL in Methylene chloride, CAS # 93951-96-3, 5 x 1 mL TPH This Certified Reference Material inThis 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 5 x 1 mL and should be stored in the freezer at less than 10 C.