EPA Method 624 Internal / Surrogate Standard

Ethalfluralin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 55283-68-6

L-Glutamine

4-Methoxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 63020-59-7