D3-(±)-Naproxen, 100 µg/ml, Methanol, 1ml

m-Xylene, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 108-38-3

cis-1-Isopropyl-4-methylcyclohexane, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 6069-98-3

EPA Method 8260B Mix #4