
U.S. EPA @EPA
Since 1970, EPA has improved awareness of the chemicals Americans are exposed to, put safeguards in place when needed, and spurred the development of safer, more environmentally-friendly chemical substitutes: https://t.co/3V1GNSAjC5 #EPAat50 https://t.co/zIPTW9xYK5 — PolitiTweet.org