James Estep, 64, a former lawyer with the Occupational Safety and Health Administration, died of pancreatic cancer Feb. 4 at his home in Alexandria.

A son, Scott Estep, confirmed the death.

Mr. Estep was on the OSHA legal staff for 37 years before retiring in 2012.

His work included helping to develop rules for the regulation of sulfur dioxide and handing a California case in which workers engaged in pesticide manufacturing had become sterile. He also provided legal advice to OSHA committees and lectured at Harvard Medical School.

He received several honors for his career service.

James Matthew Estep was born in Peoria, Ill. He graduated from Georgetown University in 1970 and from Georgetown’s law school in 1973.

He was a past exalted ruler of the Alexandria Elks.

His marriage to Linda Stewart ended in divorce. Survivors include two sons, Jim Estep and Scott Estep, both of Alexandria; three brothers; and a sister.

— Bart Barnes