Continuing Calibration Verification Standard (CCV)

2,3-Dihydrobenzofuran, 1000µg/mL, Solvent-n-hexane, Unit 1mL, # of units-1, Cas.no. 496-16-2

Pentabromoethylbenzene, 1.2ml x 50ug/ml , toluene

Imidacloprid,100 µg/mL,MeOH,1mL,