Following a raw sewage backup, you must clean and sanitize hard-surface floors using a strong solution of household chlorine bleach mixed with water (typically one cup of bleach per gallon of water) or an EPA-registered hospital-grade disinfectant cleaner containing phenolic or quaternary ammonium compounds. These chemical agents are essential for destroying pathogenic bacteria, viruses, and parasites. Callout type="warning" title="Hygiene Warning": Wear heavy rubber boots, gloves, and eye protection during cleanup. Verification: Ensure the room is fully ventilated and scrub all contaminated flooring thoroughly.
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