EPA Method 525 - Fortification Solution

1,2-Benz[a]anthraquinone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2498-66-0

3-Methylphenanthro[3,4-c]phenanthrene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 83844-21-7

1,2,3,6,7,8-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene