DDES staff completed the removal and packaging of production equipment and associated exhaust ventilation systems from a 12,500 square foot beryllium/aluminum casting operation. More than 50,000 pounds of beryllium impacted materials were packaged under negative pressure HEPA controls. Once systems were removed, DDES did a 100% decontamination of the remaining building surfaces. These efforts included HEPA vacuum, wet wipe, and fixative agent applied to meet the remediation goal of 0.2µg/100cm2 for removable beryllium contamination. DDES is one of a handful of contractors with experience cleaning up Beryllium contamination process areas.