Sheri Sangji’s lab notes for December 29, 2008, the date of the fire.

Sheri Sangji’s sister, Naveen, walks to a court hearing for Patrick Harran in Los Angeles.

The UCLA campus

The fume hood in the UCLA Molecular Sciences Building in which Sheri Sangji was working on Dec. 29, 2008.

A lab in the UCLA Department of Chemistry and Biochemistry.

Sheri Sangji’s sister, Naveen, center, listens during a court hearing for UCLA Professor Patrick Harran in June. To her right is Zahra Khan, a close friend of Sheri Sangji, who died after a lab fire in 2008.

UCLA chemistry professor Patrick Harran and the UC Board of Regents face felony charges for the death of lab worker Sheri Sangji, a landmark worker safety case.