Benzene/n-Hexane Control Standard Benzene/n-Hexane = 1:2 (Neat 1mL)

Native PFAS Precision and Recovery Standard, 1000ng/ml in MeOH, 1,2ml

n-Heptacosane, ?13C: -25.48, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 593-49-7

4-Chlorophenol, 100 µg/ml, Methanol, 5ml