Precision and Recovery Solution, 1.2ml, nonane

2,4,6-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane

Metolachlor oxanilic acid, 100µg/ml in MeOH, 1ml

3-Methylcarbazole, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 4630-20-0