EPA Method 8021B Mix #3

4-Fluorodiphenylmethane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 587-79-1

Dihydroisopimaric acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 5673-36-9

Water - Absolute Grade™