Which method must be used for disinfecting used mattresses, according to health regulations?

The correct method for disinfecting used mattresses, according to health regulations, is the use of an approved liquid disinfectant. This approach is effective in killing bacteria, viruses, and other pathogens that may be present on the surface of the mattress. Health regulations often specify the use of disinfectants that have been tested and approved for effectiveness against a range of microorganisms, ensuring that the mattress is safe for future use.

Liquid disinfectants can penetrate the materials of the mattress more thoroughly than some other methods, providing more comprehensive coverage against potential contaminants. This is particularly important in maintaining hygiene standards and protecting public health, as mattresses can harbor allergens and harmful microorganisms if not properly sanitized.

Other methods, while useful in specific contexts, may not meet the rigorous health standards required for disinfecting mattresses. Steam cleaning, for example, can be effective for surface cleaning and sanitization but might not be suitable or sufficient for all types of mattresses, especially if they are not designed to withstand high heat and moisture. Dry cleaning typically does not involve any disinfecting agents that are effective against pathogens, and while chemical spraying can be effective, it may not provide the same level of thoroughness or be deemed an appropriate method under specific regulations governing used mattresses.