The Department of Agriculture developed aerosol insecticides during World War II.

Evidence

Lyle Goodhue, at the Department of Agriculture in Beltsville, Maryland, had an idea of making an extremely fine bug-killing mist using pressurized freon mixed with pesticide. — Nicholson Baker, Baseless- My Search for Secrets in the…, 220

Categorization

• corroborated: 3 independent passages support this claim — Nicholson Baker, Baseless- My Search for Secrets in the…, 220