2-Methylthiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 554-14-3

1,3,5-Triazine-2,4,6-triamine (Melamine), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 108-78-1

Indeno[1,2,3-cd]pyrene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 203578-33-0

EPA Method 552.1 - Surrogate Standard