Calibration Standard Mix 4

3,4'-Dibromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 83694-71-7

Metalaxyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 57837-19-1

11-Methylbenz[a]anthracene,50 µg/mL,toluene,1mL,