President Barack Obama delivers remarks before signing H.R. 2576

President Barack Obama delivers remarks before signing H.R. 2576, the Frank R. Lautenberg Chemical Safety for the 21st Century Act, as Dr. Lisa Huguenin and her husband, Marc, and son, Harrison, look on (reflected in mirror), in the Eisenhower Executive Office Building South Court Auditorium, June 22, 2016. Dr. Huguenin’s research about occupational exposure to toxic chemicals is also personal, as her family has experienced health problems that could be linked to environmental chemicals. She introduced the President before he spoke. (Official White House Photo by Pete Souza)

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