This Initial Agency Decision involves a whistleblower complaint filed by Mr. Curtis Hall (also referred to as the complainant or the individual) under the Department of Energy (DOE) Contractor Employee Protection Program, 10 C.F.R. Part 708. The complainant was an employee of Bechtel National, Inc. (BNI), the prime contractor at the DOE’s Hanford Site in Richland, Washington. From January 10, 2005 until July 28, 2005, he was employed as a Controls & Instrumentation (C&I) Engineer to work at the Waste Treatment Plant (WTP) being constructed at the Hanford Site. On October 20, 2005, he filed a complaint of retaliation against BNI with the DOE Office of River Protection, Employee Concerns Program Office (ORP) at the Hanford Site. In his complaint, the individual contends that he made certain disclosures to officials of BNI, and that BNI retaliated against him in response to these disclosures.