Ethyl 4-hydroxybenzoate

PAH - Mix 6, 100µg/ml in Acetonitrile, 5ml

EPA Method 533 Native Primary Std. (br/linear mix), 500ng/ml in MeOH, 1,2ml

cis-1,2,cis-1,4-1,2,4-Trimethylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 1678-80-4