2,3-Dichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

2,2',4,4'-Tetrabromodiphenyl ether,neat,neat,10mg,

Selenium (Se)

ISO 9377-2MOD Standard Mixture 1 of n-Alkanes and BTEX S-4423-50-5PE C7+C10+ C20+C40+BTEX in n-Pentane Determination of Hydrocarbon Oil in Water Index 10 Analytes; each 50µg/mL in n-pentane; units: 1x1mL, 1x5mL, 10x1mL Benzene B