beta-Estradiol hemihydrate, 250mg

2,2',4,5'-Tetrachlorobiphenyl (49)

EPA Method 8240A Matrix Spiking Standard

Olefin Mixture 5 Analytes, each Wt.% as listed in n-hexane/n-heptane = 1:1; units: 1x1mL, 5x1mL Use this standard to adjust the olefin and Ether-Alcohol-Aromatic (EAA) trap temperatures so that C5 through C9 olefins are quantitative determined. Name