EPA Method 8270 Additionals

1,8-Dinitropyrene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 42397-65-9

1-Aminonaphthalene-d7, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 78832-53-8

Perfluorooctane sulfonic acid , 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1763-23-1