The individual currently is employed by a DOE contractor, and has held a DOE security clearance for several years. Based on issues contained in the individual’s security file, the Local Security Office (LSO) conducted a Personnel Security Interview (PSI) with the individual in June 2011. PSI, DOE Ex. 6. In August 2011, the LSO suspended the individual’s DOE security clearance and issued her a Notification Letter, together with a statement (Enclosure 2) setting forth the information that created a substantial doubt about the individual’s eligibility to hold a DOE security clearance. (DOE Ex. 1). Specifically, the LSO alleges that the individual has raised a concern under 10 C.F.R. § 710.8(f) (Criterion F) that she has deliberately misrepresented, falsified, or omitted significant information from her 1994 Questionnaire for Sensitive Positions (the 1994 QSP) and her 2002 Questionnaire for National Security Positions (the 2002 QNSP). On her 1994 QSP, the individual indicated that she had not illegally used a controlled substance in the last five years. However, in her 2011 PSI, she stated that she used marijuana from 1987 until 1990, LSD on two occasions in 1989, and mushrooms once in either 1989 or 1990, and that she deliberately falsified the answer on her 1994 QSP. On her 2002 QNSP, she indicated that she had not illegally used any controlled substance within seven years. However, in her 2011 PSI she stated that she used marijuana on one occasion in 1999, and that she deliberately falsified the answer on her 2002 QNSP. Enclosure 2, DOE Ex. 1.