Calibration Standard

Fenthion-oxon, 10.0 µg/ml, Acetonitrile, 10ml

2,2',3,4,4',6,6'-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

2,5,7-Trimethylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-65-8