“…With regard to monitoring, we again found significant differences across recommendations depending on specimen type (capillary or venous), previous lead result, and lead result trends over time. Most guidance sources Arkansas [40], North Dakota [41], Wyoming [42] Lead Level ≥ 3 μg/dL (1) New Hampshire [43,44] Lead Level ≥ 5 μg/dL b (37) Alabama [45], Alaska [46], Arizona [47,48], California [49,50], Colorado [51,52], Connecticut [53,54], District of Columbia [55,56], Georgia [57][58][59], Hawaii [60,61], Idaho [62,63], Illinois [64,65], Iowa [66,67], Kentucky [68,69], Louisiana [70][71][72], Maine [73,74], Maryland [75], Massachusetts [76][77][78][79], Michigan [80,81], Minnesota [82,83], Mississippi [84,85], Montana…”