EPA Method 8040 - Surrogate Standard Mix

4-Ethylbenzoic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 619-64-7

n-Butyl acetate, 3000µg/mL, Solvent-Methanol, Unit 1mL, # of units-1, Cas.no. 123-86-4

ICP-MS Mix