The executives at Acme Manufacturing Co. were impressed by your first report, and they have asked you and BSCI to return for more work. BSCI has been contracted by Acme Manufacturing Co. to conduct a study to determine employee exposures to radiation. In addition, your company has been contracted to determine the effectiveness of engineering controls, including shielding. After conducting a field assessment, prepare a written report for Bob Sanders (CSP) to present to the Board of Directors. During your field investigation, you find the following field observations: