Phenol-Mix 1, 50µg/ml in MeOH, 10ml

4-Nonylphenol diethoxylate, mixture of nonylisomers,100 µg/mL,MeOH,1mL,

PAH Standard, 2000µg/ml in MethyleneChloride, 1ml

Homovanillic acid-d5, 1000µg/ml in MeOH, 1ml