EPA Method 8330 - Calibration Mix #1

Selenium (Se)

3-Ethylthiophenol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 62154-77-2

1,3,7,8-Tetrabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene