*Phenols Mix - Revised July 1, 1992, 2.0 mg/mL in iPrOH, 5 x 1 mL 6990-Disinfection By˗products This Certified Reference Material at

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

This Certified Reference Material at a concentration of 10000 µg/mL in 40% Hydrochloric acid is composed of a single analyte

2 mg/mL in Methanol is composed of 26 analytes

This Certified Reference Material at a concentration of 500 ug/mL in Acetone is composed of 6 analytes

and differ only in sodium chloride content and whether they were made with casein hydrolysate or Atholate™

*Phenols Mix - Revised July 1, 1992, 2.0 mg/mL in iPrOH, 5 x 1 mL 6990-Disinfection By˗products This Certified Reference Material atThis Certified Reference Material at a concentration of 2. 0 mg mL in iPrOH is composed of 10 analytes. It is supplied in a unit of 5 x 1 mL and should be stored at an ambient temperature of greater than 5 C.