Calibration Standard Mix 4

2,3',4,5,5'-Pentachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

Dicamba, 100 µg/ml, Acetonitrile, 1ml

(R)-(-)-3-Chloro-1,2-propanediol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 57090-45-6