EPA Method 528 Fortification Solution

Gun Shot Residue

2,3,7,8-Tetrachlorodibenzofuran,50 µg/mL,n-nonane,1mL,

1,5-Dimethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 66271-87-2