(a) The following methods are approved for immersion of soiled equipment, such as instruments, needles and tubes prior to cleaning and sterilization:
(1) Immersion in glutaraldehyde 2% solution mixed according to manufacturer’s instruction. Minimum contact time is ten minutes. Thorough rinsing of equipment is required after use. Solution may cause chemical burns on the skin. Wear gloves;
(2) Immersion in a 500 ppm solution of chlorine. (This requires a 1:100 dilution of 5.25% sodium hypochlorite bleach which is equivalent to two teaspoons bleach per quart of water.) A minimum contact time of ten minutes is required to be effective. This solution must be mixed fresh daily and may corrode metal instruments;
(3) Immersion in a solution of 70% isopropyl alcohol for a minimum of ten minutes. Flammable. Use and store in a cool, well-ventilated area;
(4) Immersion in a phenolic germicidal detergent solution for a minimum of ten minutes. Mix according to the manufacturer’s instruction; and
(5) Immersion in an iodophor germicidal detergent solution formulated as a disinfectant. Minimum contact time is ten minutes. May stain instruments.
(b) Note: After immersion in any of these solutions, instruments, needles, tubes or similar equipment must be thoroughly cleaned, rinsed with warm water, dried thoroughly and individually packaged for sterilization as described in § 122.073.
(1992 Code, § 38.5-56) (Ord. 54-93, passed 7-6-1993)