*Polynuclear Aromatic Hydrocarbons Mix, 0.1 mg/mL in MeOH:CH2Cl2 (50:50), 1 mL PAH This Certified Reference Material at

This Certified Reference Material at a concentration of 100 µg/mL in Methanol:Water 90:10 is composed of 2 analytes

tr NH4OH is composed of a single analyte

2 with potassium phosphate to prevent a change in pH and provide a source of phosphate

Non-Sterile Syringes

2 mg/mL in Methanol is composed of 18 analytes

*Polynuclear Aromatic Hydrocarbons Mix, 0.1 mg/mL in MeOH:CH2Cl2 (50:50), 1 mL PAH This Certified Reference Material atThis Certified Reference Material at a concentration of 0. 1 mg mL in Methanol: CH2Cl2 (50: 50) is composed of 16 analytes. It is supplied in a unit of 1 mL and should be stored at an ambient temperature of greater than 5 C.