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"Lead-related construction work" means. - ANS-Means any construction, alteration, painting, demolition, salvage, renovation, repair, or maintenance of any residential or public building, including preparation and cleanup that by disturbing lead-containing material or soil in significant exposure of adults or children to lead. "Testing Combinations" are defined as a combination of which of the three following elements? - ANS-Room equivalent, component type and substrate 1 ppm = ? Mg/...