Surrogate Standard Mix 9, 200 ng/µl, 1ml

2-Bromo-1,3,7,8-tetrachlorodibenzo-p-dioxin (>95%), 1.2ml x 48ug/ml, toluene

Phthalic acid, bis-isooctyl ester (technical), 250mg

Ethyl-t-butyl ether