Temple DeRochbrune Jarrell, 92, a retired research chemist for the Department of Agriculture, died Monday in a drowning accident in Fort Lauderdale, Fla.

Mr. Jarrell was a recognized authority on the waterproofing of textiles, paper and fiberboard, agricultural chemistry and the chemistry of cellulose and paper.

He joined Agriculture in 1914 as an assistant chemist in the fertilizer, feed and lime control laboratory. He also worked for the bureau of chemistry and soils before transferring to the bureau of agriculture and industrial chemistry in 1928. He retired in 1952.

Mr. Jarrell was born in Greensboro, Md. He earned a bachelor's degree in chemistry and later a master's degree from the old Maryland Agricultural College (now a part of the University of Maryland).

He also worked as an analytical chemist at the college for 11 years before joining Agriculture.

Mr. Jarrell lived in Hyattsville for more than 60 years before moving to Fort Lauderdale in 1968,

He was a former vice mayor and council member of Hyattsville and a member for 66 years of the First United Methodist Church there.

He was a life member of the American Chemical Society.

Survivors include his wife of 68 years, Evelyn Roth Jarrell, and a son, Temple R., of the home, four grandchildren, and nine great-grandchildren.