- 78 - regarding the facilities for irregular migrants visited, the Greek authorities to ensure that:  occupancy rates are respected, and if necessary revised, so as to offer a minimum of 4m² of space per detainee in multi-occupancy accommodation;  all detainees are offered a bed or plinth, bedding and mattress, all clean;  all detainees have ready access to toilet facilities, including at night;  all detainees are offered at least one hour of outdoor exercise a day;  regular maintenance work and disinfection is carried out and sufficient funding is made available to this end;  sufficient quantities of detergent and products for personal hygiene are made available at all times to detainees (paragraph 71); - the Greek authorities to take the necessary steps to draw up and implement, as soon as possible, operating standards for both the special facilities for irregular migrants and police holding facilities, guaranteeing, inter alia, a regime offering activities and recreation (paragraph 72); - the Greek authorities to take adequate measures in order to ensure regular medical care is provided at all centres where illegal migrants are held (paragraph 73); - new arrivals at the Athens Airport Holding Facilities to be screened for infectious diseases, including tuberculosis (paragraph 74); - in all special detention facilities for irregular migrants and police holding facilities, medical examination upon arrival to be carried out, including screening for skin infections (paragraph 74); - the Greek authorities to review the staff complement attached to each special facility for irregular migrants and police holding facility (paragraph 76); - the Greek authorities to provide adequate training for staff working in special detention facilities for irregular migrants and police holding facilities (paragraph 76). comments - the CPT trusts that the criteria for places of detention for irregular migrants, as formulated in the 7th General Report on the CPT’s Activities, will be taken into account in the design of the new building to replace the existing Piraeus facility (paragraph 69). requests for information - confirmation that police and border guard stations are no longer used to accommodate administratively detained irregular migrants (paragraph 51); - confirmation that the Piraeus Holding Facility for Aliens has been definitely closed, as well as details on the capacity and layout of the facilities replacing both the Pagani and Piraeus centres (paragraph 71);