EPA Method 8240A/1666 - Purgeable Internal Std

Ammonium as N

Butachlor, 100 µg/ml, Acetonitrile, 5ml

3,3'-Dinitrobenzidine, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 6271-79-0