Purdue University has announced that two allegations of research misconduct made against Rusi Taleyarkhan, a professor of nuclear engineering, have been upheld by an investigative committee. Ten other allegations were not upheld.

This is the latest chapter in a long saga, sparked by Taleyarkhan’s claim that he can produce tabletop fusion reactions in deuterated acetone by bombarding tiny bubbles in the liquid with sound waves. But the scientist has been dogged by controversy ever since.

According to the Purdue University press release, the report has been accepted by the U.S. Office of Naval Research, the funding agency that referred several misconduct allegations to Purdue.

Joseph L. Bennett, Purdue vice president for university relations, says that Taleyarkhan has 30 days to appeal. “Any decision on sanctions by the university based on the committee’s conclusions will come after the appeal process,” Bennett says.