4-n-Nonylphenol-2,3,5,6-d4, 100µg/ml in MeOH, 5ml

Demeton-S-methyl-sulfone, 100 µg/ml, Acetonitrile

L-Glutamic-2,3,3,4,4-d5 acid,1000 µg/mL,0.1 mol/L hydrochloric acid,1mL,

PAH Standard (20 ppm)