Whenever a report has been made to the department of health and mental hygiene of a person under eighteen years of age with an elevated blood lead level of fifteen micrograms per deciliter or higher residing in any dwelling unit, the department of health and mental hygiene shall conduct such investigation as may be necessary to identify potential sources of the elevated blood lead level, including but not limited to, an inspection of the dwelling unit where such person resides. If the department of health and mental hygiene issues an order to correct any violation, the department of health and mental hygiene shall notify the department of each dwelling unit in a dwelling for which the department of health and mental hygiene has issued an order to correct a violation. Where the owner of the dwelling or relevant dwelling unit within such dwelling fails to comply with an order of the department of health and mental hygiene to correct a violation placed by the department of health and mental hygiene, the department of health and mental hygiene shall certify such conditions to the department of housing preservation and development. The certification procedure shall be completed within sixteen days of the report of the elevated blood lead level. The conditions so certified shall be corrected within eighteen days of certification to the department.