Precision and Recovery Stock Solution: WHO PCBs, 1.2ml, nonane

Bis(4-methyl-2-pentyl) phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 84-63-9

Bifenox, 100 µg/ml, Acetonitrile, 5ml

Fluroxypyr, 100µg/ml in Methanol, 1ml