Spiking Standard 4

ι-1,2,5,6,9,10-Hexabromocyclododecane, 1.2ml x 50ug/ml, toluene

2,2',3,3',4,4',6,6'-Octabromodiphenyl ether,50 µg/mL,isooctane,1mL

Ethofumesate-2-keto, 10mg