EPA Method 502/524 Fortification Solution

Butyric-d7 acid, 100mg

12-Methylbenz[a]anthracene,200 µg/mL,toluene,1mL,

1H,1H-Perfluorohexan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 423-46-1