Persistent Organic Pollutants (POPs) yog cov tshuaj lom neeg muaj xws li ntawm cov organic (carbon-based) tshuaj sib xyaw thiab cov khoom sib xyawLawv suav nrog cov tshuaj muaj xws li PCBs thiab tshuaj tua kab zoo li DDT. Lawv yog cov khoom lag luam thiab cov khoom lag luam los ntawm cov txheej txheem kev lag luam, kev tsim tshuaj lom neeg thiab cov khoom pov tseg.
Dab tsi yog qhov chaw ntawm cov pa phem tsis tu ncua?
Qhov chaw muaj kuab paug los ntawm POPs suav nrog kev siv tsis raug thiab / lossis pov tseg ntawm cov tshuaj agrochemicals thiab cov khoom siv tshuaj, siab kub thiab cov txheej txheem combustion, thiab tsis xav tau los ntawm cov khoom lag luam lossis combustion (https://web.worldbank.org).
Yuav ua li cas cov pa phem tsis tu ncua ua?
Tsis txhob txwm ua thaum lub sijhawm sib xyaw ua ke ntau, suav nrog kev hlawv cov khib nyiab hauv nroog thiab kho mob, kev hlawv cov khib nyiab tom qab, thiab cov txheej txheem kev lag luam. Kuj tseem tuaj yeem pom muaj cov kab mob sib kis hauv qee yam tshuaj tua kab mob, tshuaj tua kab ntoo, thiab hauv PCB sib tov. Regulated as hazardous air pollutants (CAA).
Cov khoom muaj kuab paug tsis tu ncua nyob qhov twg?
Tib neeg raug rau POPs los ntawm cov chaw raug sab nraud xws li POPs-cov zaub mov tsis huv. Txawm li cas los xij, ib zaug POPs nkag mus rau hauv lub cev, lawv feem ntau khaws cia rau hauv cov ntaub so ntswg adiposethiab maj mam tso tawm mus rau hauv cov hlab kom tshem tawm ntau xyoo (12).
Cov pa phem organic tuaj qhov twg?
Persistent organic pollutants (POPs) yog carbon-based compounds uas tiv taus kev tawg. Qee qhov pib los ntawm kev hlawv roj lossis ua cov khoom pov tseg hluav taws xob, thiab lwm tus yog siv los ua tshuaj tua kab lossis tshuaj tua kab lossis hauv kev tsim cov kuab tshuaj, plastics thiab tshuaj.
