EPA Method 524.2 -Gases,Liquids,MTBE, Freon 113

n-Heptyl 4-hydroxybenzoate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1085-12-7

1,6-Dinitropyrene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 42397-64-8

(1R,4aR,5aR,8aR,10aR)-1-(4-methylpentyl)-1,6,6,8a,10a-pentamethylperhydrophenanthrene, ca. 10µg/mL, Solvent-isooctane, Unit 0.25µL, # of units-1, Cas.no.