*MtBE, 2.0 mg/mL in MeOH, CAS # 1634-04-4, 1 mL 12250-Environmental This Certified Reference Material at

This Certified Reference Material at a concentration of 100 µg/mL in PT Methanol is composed of 12 analytes

Benzene  71-43-2  Toluene   108-88-3  Ethyl benzene  100-41-4  o-Xylene  95-47-6  m-Xylene  108-38-3  p-Xylene  106-42-3

Athena’s Bovine Pituitary Extract is prepared from BSE-free animals

This Certified Reference Material at a concentration of 1% w/w in Absolute Ethanol is composed of 10 analytes

This Certified Reference Material of varied concentration in Isooctane is composed of 14 analytes

*MtBE, 2.0 mg/mL in MeOH, CAS # 1634-04-4, 1 mL 12250-Environmental This Certified Reference Material atThis Certified Reference Material at a concentration of 2. 0 mg mL in Methanol 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.