EPA Method 551 - Analytes Mix “B”, 2000µg/ml in MTBE, 1ml

Cortisol-9,11,12,12-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 73565-87-4

Pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 129-00-0

Norflurazon, 100 µg/ml, Acetonitrile, 1ml