n-Hexadecane, ?13C: - 33.71, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 544-76-3

EPA Method 8260 Volatile Standard

2H,2H,3H,3H-Perfluorononanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 27854-30-4

BOD Calibraton Standard