Caffeine Standard, 250 µg/mL, Water, 1 mL/ampul

Single-Component

3,3′-Dichlorobenzidine Standard, 2000 µg/mL, Methanol, 1 mL/ampul

Single-Component

1,2-Dichloroethane Standard, 25 mg/mL, DMSO, 1 mL/ampul

Single-Component

MA VPH Surrogate Standard (2,5-Dibromotoluene), 1000 µg/mL, P&T Methanol, 1 mL/ampul

Single-Component

Herbicide Surrogate (2,4-Dichlorophenylacetic acid (2,4-DCAA)), 1000 µg/mL, Acetone, 1 mL/ampul, Free Acid Form