2,4-D, 100µg/mL in Acetonitrile, 1ml

m-Tolualdehyde-DNPH, 100µg/ml in Acetonitrile, 1ml

Imidacloprid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 105827-78-9

Primary Calibration PID (VPH)