; and (2) other personnel that are or may be necessary for carrying out the functions described in subsection (e), such as licensed emergency care professionals, specialty physicians (including physicians specializing in pediatrics, family medicine, obstetrics and gynecology, geriatric medicine, internal medicine, and infectious diseases), nurse practitioners, other nurses, physician assistants, licensed social workers, mental health professionals, public health professionals, dieticians, interpreters, and chaperones, on site to the extent practicable, or, if not practicable, available on call. (k) Ethical guidelines The Commissioner shall ensure that all medical assessments and procedures conducted pursuant to this section are conducted in accordance with ethical guidelines in the applicable medical field and respect human dignity. 4. Water, sanitation and hygiene The Commissioner shall ensure that all detainees have access to— (1) not less than 1 gallon of drinking water per person per day, in addition to any other age-appropriate fluids that may be needed; (2) a private, safe, clean, and reliable permanent or portable toilet with proper waste disposal and a hand washing station, with not fewer than 1 toilet available for every 12 male detainees, and not fewer than 1 toilet available for every 8 female detainees; (3) a clean diaper changing facility, which includes proper waste disposal, a hand washing station, and unrestricted access to diapers; (4) the opportunity to bathe daily in a permanent or portable shower that is private and secure