ANNEX IVPRINCIPLES AND PROCEDURES FOR CLEANSING AND DISINFECTION
1.General principles and procedures
1.1.
Cleansing and disinfection operations as provided for in Article 11 shall be carried out under official supervision and in accordance with the instructions given by the official veterinarian.
1.2.
The disinfectants to be used and their concentrations shall be officially recognised by the competent authority to ensure destruction of foot-and-mouth virus.
1.3.
The activity of disinfectants must not be impaired by prolonged storage.
1.4.
The choice of disinfectants and of procedures for disinfection should be made taking into account the nature of the premises, vehicles and objects which are to be treated.
1.5.
The conditions under which degreasing agents and disinfectants are used must ensure that their efficacy is not impaired. In particular technical parameters provided by the manufacturer, such as pressure, minimum temperature and required contact time must be observed. The activity of the disinfectant must not be compromised by interaction with other substances, such as degreasing agents.
1.6.Independently of the disinfectant used, the following general rules shall apply:
1.6.1.
thorough soaking of bedding and litter as well as faecal matter with the disinfectant,
1.6.2.
washing and cleaning by careful brushing and scrubbing of all surfaces possibly contaminated and in particular of the ground, floors, ramps and walls after the removal or dismantling, where possible, of equipment or installations otherwise impairing the effective cleansing and disinfection procedures,
1.6.3.
then further application of disinfectant for a minimum contact time as stipulated in the manufacturers recommendations;
1.6.4.
the water used for cleaning operations is to be disposed of in such a way as to avoid any risk of spreading the foot-and-mouth disease virus and in accordance with the instructions of the official veterinarian.
1.7.
Where washing is carried out with liquids applied under pressure and following the disinfection, re-contamination of the previously cleansed or disinfected parts must be avoided.
1.8.
Washing, disinfecting or destroying of equipment, installations, articles or compartments likely to be contaminated should be included.
1.9.
Cleansing and disinfection operations required in the framework of this Directive must be documented in the holding register or, in the case of vehicles, in the log-book and where official approval is required be certified by the supervising official veterinarian.