Additional Internal Standard Solution, 1.2ml, toluene

Ethylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 1678-91-7

1-Butanethiol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 109-79-5

Isoproturon-desmethyl, 100µg/ml in ACN, 5ml