 The 1999 investigation found that documents from the database were destroyed and that the concealed data included information on high levels of PCBs in Virginia waterways, including the Rappahannock River.A report by the Chesapeake Bay Foundation found that the DEQ had withheld knowledge of high mercury concentrations in the Shenandoah River.In February 1998, Allen became a Richmond-based partner at the law firm McGuire Woods Battle & Boothe (now McGuireWoods LLP), as head of its business expansion and relocation team.