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EPA cancels pesticide shown to be harmful to unborn babies - The New Lede
Link📌 Summary: 美國環保署(EPA)於2024年10月22日宣佈禁止使用被證明對未出生嬰兒有害的除草劑二甲基四氯苯酞(DCPA或Dacthal),以保護孕婦及其未出生的孩子。此決定基於大量科學證據,顯示DCPA對胎兒的發育可能造成不可逆轉的損害,包括影響甲狀腺功能及後遺症,並可能導致低出生體重、智力減退及運動能力障礙等問題。EPA的行動經過多年研究及針對DCPA健康風險的逐步限制,並最終由DCPA的唯一製造商主動提出關閉產品註冊。By Carey Gillam Citing a need to protect the unborn babies of pregnant women, the US Environmental Protection Agency (EPA) on Tuesday banned a pesticide used to kill weeds on farms, golf courses and athletic fields. The action comes after years of mounting scientific evidence of the dangers posed by exposure to the chemical dimethyl tetrachloroterephthalate, also known as DCPA or Dacthal. “With the final cancellation of DCPA, we’re taking a definitive step to protect pregnant women and their unborn babies,” Michal Freedhoff, assistant administrator for the EPA Office of Chemical Safety and Pollution Prevention, said in a press release. “The science showing the potential for irreversible harm to unborn babies’ developing brains, in addition to other lifelong consequences from exposure, demands decisive action to remove this dangerous chemical from the marketplace.” The agency said “robust studies” demonstrated “thyroid toxicity,” and said that unborn babies whose pregnant mothers are exposed to DCPA could experience changes to fetal thyroid hormone levels. Such changes are “generally linked to low birth weight, impaired brain development, decreased IQ, and impaired motor skills later in life, some of which may be irreversible,” the EPA said. DCPA was registered to control weeds in both agricultural and non-agricultural settings, but has largely been used to control weeds in fields growing crops such as broccoli, brussels sprouts, cabbage and onions.
dimethyl tetrachloroterephthalate, or #DCPA, marketed under the trade name #Dacthal — “stops the growth of some annual grasses and weeds”
#agriculture #agroecology #biodiversity #farmworkers #herbicides #pesticides #science #toxicchemicals #EPA
#viaCampesina
But in a March letter to #AMVAC, #EPA ofcls wrote that this voluntary step was not sufficient to protect #farmworkers & others exposed to the #herbicide. The ofcls wrote that changes to #thyroid hormone levels in the #fetuses of #pregnant rats exposed to #DCPA suggested “serious #risks of concern in #humans.” …The #EmergencyAction order Tues suspends all registrations of the #pesticide….
“It’s #EPA’s job to protect people from exposure to #dangerous #chemicals. In this case, #pregnant women who may never even know they were exposed could give #birth to #babies that experience #irreversible lifelong #health problems.”
The sole manufacturer of the #pesticide, #AMVAC, had sought to avoid the #emergency action. The co had voluntarily pulled all #DCPA products used on turf, reducing the risks to golfers, athletes & workers who maintain turf.
When #pregnant #farmworkers & others are exposed to the #pesticide, their #babies can experience changes to fetal #thyroid hormone levels, which are linked to low #birth weight, impaired #brain development, decreased #IQ & #impaired #MotorSkills later in life.
“#DCPA is so dangerous that it needs to be removed from the market immediately,” Michal Freedhoff, asst admin for the #EPA’s Office of #Chemical Safety & #Pollution Prevention, said.
#EPA takes #emergency action to stop use of #dangerous pesticide
For the 1st time in 40 yrs, the #Environmental Protection Agency has taken emergency action to stop the use of a #pesticide linked to serious #HealthRisks for unborn #babies.
Tues’s #EmergencyOrder applies to… #DCPA aka #Dacthal, an #herbicide used on #crops such as #broccoli, #BrusselsSprouts, #cabbage & #onions.
#Health #PublicHealth #climate #Pregnant #farmworkers #farmers #agriculture
https://www.washingtonpost.com/climate-environment/2024/08/06/epa-pesticide-farmworkers/