Considering it's the basis of the entire hypothesis, here's the nature of the intervention:
All cases with two BLL tests exceeding the alert threshold (10
ug/dL) trigger
eligibility for an intervention which includes the following actions: education for caregivers (which includes nutritional advice and information about reducing
exposure in the home); a voluntary home environment investigation; and a
referral to lead remediation services. A more intensive intervention can be
triggered by tests over 15
ug/dL or 20
ug/dL. In addition to educating caregivers
and providing a referral to remediation services, the intensive intervention
typically includes: a mandatory home environment investigation; nutritional
assessment; medical evaluation; developmental assessment; and a referral to
the Special Supplemental Nutrition Program for Women, Infants, and Children
(WIC)
All cases with two BLL tests exceeding the alert threshold (10 ug/dL) trigger eligibility for an intervention which includes the following actions: education for caregivers (which includes nutritional advice and information about reducing exposure in the home); a voluntary home environment investigation; and a referral to lead remediation services. A more intensive intervention can be triggered by tests over 15 ug/dL or 20 ug/dL. In addition to educating caregivers and providing a referral to remediation services, the intensive intervention typically includes: a mandatory home environment investigation; nutritional assessment; medical evaluation; developmental assessment; and a referral to the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC)