EPA Method 502/524 Fortification Solution

2-Acetyl-6-methoxynaphthalene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 3900-45-6

Phenylbutazon, 1000ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 50-33-9

2,3,4,4'-Tetrachlorobiphenyl (60)