§ 8107-1.2.9. Home occupations involving the on-site use or storage of highly toxic materials, as defined in the Uniform Fire Code, are not permitted. Highly toxic materials are those which on short exposure could cause death or serious temporary or residual injury. The on-site use or storage of flammable or other hazardous materials must comply with the requirements of the Ventura County Fire Protection District, pursuant to the Uniform Fire Code, the Health and Safety Code and the Vehicle Code.