Cleanup Standard Spiking Solution, 1.2ml, nonane

2,3,4,6-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

2-Nitrophenol, 100 µg/ml, Acetonitrile, 1ml

Boscalid, 100µg/ml in MeOH, 1ml