Section 71639 - Disinfecting(a) Each hospital shall make provision for the cleaning and disinfection of contaminated articles and surfaces which cannot be sterilized.(b) Thermometers should be disinfected for at least ten minutes with 70 percent ethyl alcohol or 99 percent isopropyl alcohol with 0.2 percent iodine.(c) Written procedures shall be developed and maintained for the disinfection of articles and surfaces.Cal. Code Regs. Tit. 22, § 71639