4-Nonylphenol-mono-ethoxylate, 10µg/ml in Acetone, 1ml

Ethanol standard in water,1.3g/L,water, 1.5mL

1-Chloro-4-fluorobenzene, Internal standard for Gasoline Range Analysis, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 352-33-0

4-Nitrotoluene