Joseph Allen
Lead in dust in HVAC ducts at Stuyvesant High School, ~0.5 mile from Ground Zero, one year after 9/11. For reference, the current limit for lead on floors is 10 ug/ft2
Joseph Allen
Lead in dust in HVAC ducts at Stuyvesant High School, ~0.5 mile from Ground Zero, one year after 9/11. For reference, the current limit for lead on floors is 10 ug/ft2