When the existence of degraded coatings containing lead in concentrations above the thresholds defined by order of the ministers responsible for health and construction is noted, following either the detection of a case of lead poisoning, or the diagnosis prescribed pursuant to the last paragraph of article L. 1334-1, or the risk of exposure to lead report mentioned in article L. 1334-5, and that this existence is likely to be the cause of intoxication or to intoxicate a pregnant woman or a minor, the provisions of Title I of Book V of the Construction and Housing Code will be applied.