Herbicide Calibration Check - WS

Heptenophos, 10.0 µg/ml, Acetone, 10ml

2,4,5-Trichlorophenoxy-3,6-d2-acetic-d2 Acid, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 358731-37-0

Tetrasul