EPA Method 515.1 Internal Standard

n-Butyl acetate, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 123-86-4

Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane

5 alpha(H)-Androstane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 438-22-2