In some places, like NYC, there's often a legal presumption that ALL paint contains lead. It seems that for legal purposes detection is not always the central i

In some places, like NYC, there's often a legal presumption that ALL paint contains lead. It seems that for legal purposes detection is not always the central issue. "All paint in a pre-1960 multiple dwelling unit where a child under age 6 resides and in the common areas of such multiple dwellings is presumed to be lead paint. A lead-based paint hazard is any condition in a dwelling or dwelling unit where a child under age 6 resides that causes exposure to lead from lead-contaminated dust, from lead-based paint that is peeling, or from lead-based paint that is present on chewable surfaces, deteriorated subsurfaces, friction surfaces, or impact surfaces that would result in adverse human health effects." http://www1.nyc.gov/assets/hpd/downloads/pdf/lead-ll1-guide-workpamphlet.pdf http://www1.nyc.gov/assets/hpd/downloads/pdf/lead-ll1-guide-... Maintenance and remediation become central in these cases, I think. A government-approved technology that lowers the cost and risk of remediation would be a big winner. I can't help but add: I wonder what Donald Trump does to maintain and remediate the lead in his NYC buildings...