PAH-Mix 24 deuterated, 10 ng/µl, 1ml

DL-Methionine, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 59-51-8

EPA Method 8260B Mix #4

Methyl parahydroxybenzoate, 150mg