EPA Method 8250 - Acid Matrix Spiking Solution

Ethalfluralin, 100 µg/ml, Acetonitrile, 5ml

Mesalazine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 89-57-6

D7-Benzyldimethyldodecylammonium chloride, 10mg