a. For the purposes of this subchapter, section 27-2056.14 and any local law referring to a blood lead reference level except as otherwise provided by such local law, the blood lead reference level shall be five micrograms per deciliter, except that, if the federal centers for disease control and prevention or a successor agency defines a lower blood lead reference level the department shall (i) by rule define such lower level as the blood lead reference level for the purposes of this subchapter, section 27-2056.14 and any local law referring to a blood lead reference level except as otherwise provided by such local law or (ii) submit a report to the mayor and the speaker of the council detailing the reasons why such lower blood lead reference level should not be adopted for the city or should result in alternative public health actions other than those provided for in this subchapter.
b. Notwithstanding subdivision a of this section, for the purposes of this subchapter, section 27-2056.14 and any local law referring to a blood lead reference level except as otherwise provided by such local law, the board of health may define in the health code a lower blood lead reference level than that defined by the federal centers for disease control and prevention or a successor agency that shall apply to this subchapter, section 27-2056.14, and any local law referring to a blood lead reference level except as otherwise provided by such local law, if the board determines that defining such a lower blood lead reference level is in the interest of public health.
(L.L. 2019/066, 4/14/2019, eff. 8/12/2019)