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Xeerka EPA ee lagu dhimayo wasakhowga sunta ah wuxuu saameynayaa 80 dhirta Texas

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In ka badan 200 oo warshadood oo kiimiko ah oo dalka oo dhan ah - oo ay ku jiraan daraasiin ku yaal Texas oo ku teedsan xeebta Gacanka - ayaa looga baahan doonaa inay yareeyaan qiiqa sunta ah ee sababi kara kansarka dadka ku nool agagaarka iyada oo la raacayo xeerka cusub ee Hay'adda Ilaalinta Deegaanka ee lagu dhawaaqay Talaadadii.
Xarumahani waxay isticmaalaan kiimikooyin khatar ah si ay u sameeyaan caagadaha, rinjiga, maryaha synthetic, sunta cayayaanka iyo alaabada kale ee petrochemical.Liiska EPA wuxuu muujinayaa in qiyaastii 80, ama 40% ka mid ah, ay ku yaalaan Texas, badi magaalooyinka xeebaha sida Baytown, Channelview, Corpus Christi, Deer Park, La Porte, Pasadena iyo Port Arthur.
Xeerka cusub wuxuu diiradda saarayaa xaddidaadda lix kiimiko: ethylene oxide, chloroprene, benzene, 1,3-butadiene, ethylene dichloride iyo vinyl chloride.Dhammaan waxaa la og yahay in ay kordhiyaan khatarta kansarka oo ay waxyeello u geystaan ​​habdhiska dareenka, wadnaha iyo xididdada ka dib soo-gaadhista muddada dheer.
Sida laga soo xigtay EPA, sharciga cusub ayaa dili doona in ka badan 6,000 tan oo hawo wasakhaysan sanadkiiba wuxuuna hoos u dhigayaa tirada dadka qaba halista kansarka ee 96% dalka oo dhan.
Xeerka cusub waxa kale oo uu u baahan doonaa tas-hiilaad lagu rakibo xayndaabka xayndaabka hawada kormeerka hawada kuwaas oo cabbiraya uruurinta kiimiko gaar ah oo ku taal khadka hantida ee goobta wax soo saarka.

Waxaan ku siin karnaa dareemayaal gaas badan oo cabbiraya kuwaas oo ilaalin kara gaasaska kala duwanhttps://www.alibaba.com/product-detail/CE-LORA-LORAWAN-GPRS-4G-WIFI_1600344008228.html?spm=a2747.manage.0.0.1cd671d2iumT2T
Harold Wimmer, oo ah madaxweynaha iyo maamulaha ururka sambabada Maraykanka, ayaa bayaan uu soo saaray ku sheegay in kormeerayaasha dareemaha hawada "ay ka caawin doonaan ilaalinta bulshooyinka u dhow iyaga oo siinaya macluumaad sax ah oo ku saabsan tayada hawada ay neefsanayaan."
Daraasaduhu waxay muujinayaan in bulshooyinka midabka leh ay aad ugu dhow yihiin inay la kulmaan wasakhowga dhirta kiimikada ah.
Cynthia Palmer, oo ah falanqeeye sare oo ku takhasusay kiimikooyinka petrochemicals oo ka tirsan ururka aan faa'iido doonka ahayn ee Moms Clean Air Force, ayaa bayaan qoraal ah ku sheegtay in xeerka cusub uu aniga ii yahay shaqsi si qoto dheer.Saaxiibkaygii ugu fiicnaa wuxuu ku koray meel u dhow sagaal ka mid ah xarumaha wax soo saarka kiimikada ee Texas kuwaas oo lagu dabooli doono xeer-dejintan cusub.Waxay u dhimatay kansar markii carruurteedu ay ku jireen dugsiga barbaarinta.”
Palmer ayaa sheegay in sharciga cusub uu yahay tallaabo muhiim ah oo horay loo qaaday xagga cadaaladda deegaanka.
Ku dhawaaqida Talaadada ayaa timid bil kadib markii EPA ay ansixisay xeer lagu dhimayo qiiqa ethylene oxide ee ka imaanaya xarumaha jeermiska ee ganacsiga.Laredo, dadka deegaanka ayaa sheegaya in dhirta noocan oo kale ah ay gacan ka gaysatay heerka sare ee kansarka ee magaalada.
Hector Rivero, oo ah madaxa madaxa golaha kimistariga ee Texas, ayaa email ku sheegay in xeerka cusub ee EPA uu saamayn wayn ku yeelan doono samaynta oxide ethylene, taasoo uu sheegay inay muhiim u tahay badeecooyinka ay ka midka yihiin baabuurta korontada ku shaqeysa iyo chips-ka kombuyuutarka iyo sidoo kale nadiifinta alaabta caafimaadka.
Rivero wuxuu sheegay in golaha, oo ka wakiil ah in ka badan 200 oo xarumood oo warshadaha kiimikada ah, ay u hoggaansami doonaan xeerar cusub, laakiin wuxuu rumaysan yahay in habka EPA ay u qiimeysay khatarta caafimaad ee ethylene oxide ay si cilmiyeysan u cilladaysan tahay.
"Ku tiirsanaanta EPA ee xogta qiiqa duuga ah waxay keentay sharci kama dambays ah oo ku salaysan khataraha sicir bararka iyo faa'iidooyinka mala-awaalka ah," Rivero ayaa yidhi.
Xeerka cusub wuxuu dhaqan galayaa wax yar ka dib markii lagu daabacay Diiwaanka Federaalka.Hoos u dhigista ugu weyn ee halista kansarka waxay ka iman doontaa dhimista qiiqa ethylene oxide iyo chloroprene.Xarumuhu waa inay buuxiyaan shuruudaha lagu dhimayo ethylene oxide laba sano gudahood ka dib marka uu sharcigu hirgalo waana inay buuxiyaan shuruudaha chloroprene 90 maalmood gudahooda kadib taariikhda dhaqangalka ah.
Victoria Cann, oo ah afhayeenka wakaalada deegaanka ee gobolka, Texas Commission on Environmental Quality, ayaa bayaan ay soo saartay ku sheegtay in wakaaladdu ay samayn doonto baadhitaano lagu qiimaynayo u hogaansanaanta shuruudaha sharciga cusub taas oo qayb ka ah u hogaansanaanta iyo barnaamijka dhaqangelinta.
Xeerku waxa uu bartilmaameedsadaa qalabka xarumaha wax soo saarka kiimikaad ee sii daaya wasakhowga hawada sida hababka isweydaarsiga kulaylka (qalabka kuleylka ama qaboojiyaha dareeraha ah), iyo hababka sida hawo-mareenka iyo ololka ee sii daaya gaaska hawada.
Dareenku wuxuu badanaa dhacaa marka la bilaabayo, xidhidhyada iyo cilladaha.Texas gudaheeda, shirkaduhu waxay sheegeen inay siidaayaan 1 milyan oo rodol oo wasakh ah oo xad dhaaf ah intii lagu jiray qabowga Jannaayo.U doodayaasha deegaanka ayaa ku tilmaamay dhacdooyinkaas daldaloolo ku jira fulinta deegaanka taasoo u oggolaanaysa tas-hiilaadka inay wasakheeyaan ciqaab la'aan ama ganaaxyo hoos yimaada xaaladaha qaarkood sida marka lagu jiro cimilada aadka u daran ama masiibooyinka kiimikada.
Sharcigu wuxuu u baahan yahay tas-hiilaad si ay u sameeyaan warbixinta u hoggaansanaanta dheeraadka ah iyo qiimeynta waxqabadka ka dib dhacdooyinkan oo kale.


Waqtiga boostada: Abriil-11-2024