EPA Method 8270C Mix #26

N-Ethyl-p-toluenesulfonamide, 250mg

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

5 alpha(H),17 alpha(H),(20R)-3ß-Acetoxycholest-8(14)-ene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6562-21-6