EPA Method 525 Pesticide Standard Sub Conc

Verapamil,1000 µg/mL,MeOH,1mL,

4-tert-Butyl-d9-phenol-2,3,5,6-d4, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 225386-58-3

1,2-Bis(2,4,6-tribromophenoxy)ethane, 1.2ml x 50ug/ml, nonane