EPA Method 502/524 Fortification Solution

1,2,4-Trichlorobenzene, 10 µg/ml, Cyclohexane, 1

Chloridazon-d5, 10µg/ml in Acetonitrile, 5ml

4-Chloro-2-methylphenoxy-d3-acetic Acid, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 352431-14-2