470 IAC 3-4.5-5(e)(2) · immersion for at least one (1) minute in clean water which is at a temperature of at least 75 F. and which contains an approved sanitizing agent at an effective concentration. Cleaned and sanitized equipment and utensils shall always be air dried, never towel dried. An alternative to dishwashing is the use of sturdy, all disposable, single-service articles and utensils. Reuse of single-service articles and utensils is prohibited. All permanent ware infant feeding bottles and reusable nipples provided by the facility shall be washed and sanitized by the facility after each use as follows: Prewash in hot detergent water in a nonhandwashing sink; scrub bottles and nipples inside and out with bottle and nipple brush; squeeze water through nipple hole during washing; and rinse well with clean, hot water. Boil in clear water bottles for five (5) minutes; nipples and caps, collars, and tongs for three (3) minutes; and air dry. Store each item separately in clean, covered, labeled container