Imazamethabenz-methyl, 100 µg/ml, Acetonitrile,

Initial Check Verif. Standard 4, in 4%HNO3, 100ml

1,9-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 20291-73-0

Fluoride (F-)