Paragraph 17
England, Wales and Scotland
At least seven days after the reapplication of disinfectant, the operations in paragraphs 15 and 16 shall be repeated, followed by final washing with water or steam.
England, Wales and Scotland
At least seven days after the reapplication of disinfectant, the operations in paragraphs 15 and 16 shall be repeated, followed by final washing with water or steam.