Thaum Lub Tsib Hlis 3, 2023, EPA tau tshaj tawm txoj cai lij choj hauv Federal Register kom txwv tsis pub siv feem ntau ntawm methylene chloride.
EPA kev pom zoo rau txoj cai uas tau muab tso tawm no tau tso cai raws li Txoj Cai Tswj Xyuas Cov Khoom Lom (TSCA), thiab dichloromethane yog cov tshuaj lom thib ob uas muaj kev pheej hmoo raug tswj hwm raws li cov txheej txheem hloov kho uas tsim los ntawm Frank R. Lautenberg. Txoj Cai Kev Nyab Xeeb Tshuaj Lom Xyoo 2016, ua raws li lub koom haum txoj kev pib los tiv thaiv tib neeg ntawm kev raug asbestos xyoo tas los.
Dichloromethane siv ntau txoj hauv kev, suav nrog cov ntawv thov rau cov neeg siv khoom xws li cov tshuaj ntxuav roj thiab cov tshuaj ntxuav txhuam rau cov xim thiab cov txheej txheem, cov ntawv thov lag luam xws li cov nplaum thiab cov sealants, thiab cov ntawv thov kev lag luam hauv kev tsim lwm yam tshuaj. Piv txwv li, dichloromethane siv ua cov tshuaj nruab nrab hauv kev tsim cov hydrofluorocarbons (HFCs)32, uas siv rau hauv cov tub yees sib xyaw los hloov cov tshuaj uas muaj peev xwm ua rau lub ntiaj teb sov dua.
Txij li xyoo 1980 los, muaj tsawg kawg yog 85 tus neeg tau tuag los ntawm kev raug tshuaj methylene chloride, feem ntau yog cov neeg ua haujlwm txhim kho tsev uas tau kawm tiav thiab muaj cov khoom siv tiv thaiv tus kheej, raws li Lub Chaw Tiv Thaiv Ib Puag Ncig.
Lub koom haum qhov kev ntsuam xyuas kev pheej hmoo tsis muaj pov thawj rau dichloromethane yog vim muaj kev pheej hmoo cuam tshuam nrog cov neeg ua haujlwm, cov kws tshaj lij tsis siv (cov neeg ua haujlwm uas nyob ze tab sis tsis raug tshuaj lom neeg ncaj qha), cov neeg siv khoom, thiab cov neeg nyob ze rau qhov chaw siv ntawm tus neeg siv khoom. Lub Koom Haum Tiv Thaiv Ib Puag Ncig tau txheeb xyuas cov kev pheej hmoo ntawm kev cuam tshuam tsis zoo rau tib neeg kev noj qab haus huv, suav nrog kev ua rau lub hlwb puas tsuaj, kev cuam tshuam rau daim siab thiab mob qog noj ntshav los ntawm kev ua pa, thiab kev raug rau daim tawv nqaij rau methylene chloride.
Cov cai tswjfwm kev pheej hmoo uas tau muab tso tawm yuav txo qhov kev tsim khoom, kev ua thiab kev faib tawm ntawm methylene chloride rau txhua tus neeg siv khoom thiab feem ntau kev siv hauv kev lag luam thiab kev lag luam, feem ntau ntawm cov no yuav raug siv tag nrho hauv 15 lub hlis. Rau feem ntau ntawm kev siv methylene chloride uas EPA xav kom txwv tsis pub siv, nws qhov kev tshuaj xyuas qhia tau hais tias cov nqi thiab kev ua haujlwm zoo lwm txoj hauv kev rau cov khoom methylene chloride feem ntau muaj.
"Kev tshawb fawb tom qab methylene chloride yog qhov tseeb thiab kev raug tshuaj lom tuaj yeem ua rau muaj kev noj qab haus huv loj heev thiab txawm tias tuag, uas yog qhov tseeb rau ntau tsev neeg uas tau poob cov neeg hlub rau kev lom neeg hnyav," EPA Administrator Michael S. Regan tau hais hauv tsab ntawv xov xwm ntawm lub koom haum. "Yog vim li cas EPA thiaj li ua haujlwm los ntawm kev thov kom tiv thaiv kev noj qab haus huv ntawm cov neeg ua haujlwm los ntawm kev qhia txog kev tswj hwm chaw ua haujlwm nruj dua uas yuav txwv tsis pub siv feem ntau ntawm cov tshuaj no thiab txo qhov kev raug tshuaj lom rau txhua tus neeg. Tiv tauj. Qhov kev txwv tsis pub siv tshuaj lom neeg keeb kwm no qhia txog kev vam meej tseem ceeb uas peb tau ua hauv kev siv cov kev tiv thaiv tshiab rau kev nyab xeeb tshuaj lom neeg thiab kev siv cov kev ntsuas uas tau ncua ntev los tiv thaiv kev noj qab haus huv pej xeem zoo dua."
"Rau kev tsim khoom lag luam, kev ua khoom lag luam, thiab kev siv hauv tsoomfwv uas EPA tsis tau hais kom txwv, EPA tab tom muab kev tiv thaiv tshuaj lom neeg hauv chaw ua haujlwm nrog kev txwv kev raug tshuaj kom tiv thaiv cov neeg ua haujlwm zoo dua," nws hais hauv ib daim ntawv tshaj tawm. "EPA tau txais cov lus qhia ntawm kev lag luam qhia tias qee lub chaw ua haujlwm twb ua raws li cov kev txwv kev raug tshuaj methylene chloride uas tau hais kom nruj dua. Cov kev cai no yuav tso cai rau kev ua cov tshuaj methylene chloride txuas ntxiv mus tsim cov tshuaj uas tseem ceeb rau kev txo cov kev siv zog rau kev hloov pauv huab cua uas tau teev tseg hauv Daim Ntawv Qhia Txog Kev Tsim Kho Tshiab thiab Kev Tsim Khoom ntawm Tebchaws Meskas. Kev Ua Haujlwm Tseem Ceeb. Cov tshuaj txias uas tsis ua rau huab cua hloov pauv, thiab lwm yam tshuaj lom neeg ua lub luag haujlwm tseem ceeb hauv kev tawm tsam kev hloov pauv huab cua, thiab EPA txoj cai tau hais txhawb nqa kev siv zog txuas ntxiv mus kom txo cov pa phem."
Ntxiv rau qhov ntawd, EPA qhia tias qee qhov kev siv dichloromethane uas NASA, DOD thiab FAA xav tau tseem raug tswj hwm nruj hauv chaw ua haujlwm, vim tias kev raug tshuaj lom tuaj yeem txo qis kom txaus hauv cov xwm txheej nyuaj no kom txo qis kev pheej hmoo rau cov neeg ua haujlwm ntau li ntau tau.
"Cov kev txwv thiab kev txwv uas tau muab tso tawm no kuj tseem yuav tiv thaiv lub zej zog ntawm kev raug methylene chloride," cov lus hais. "Lub Chaw Tiv Thaiv Ib Puag Ncig, siv rau xyoo ntawm cov ntaub ntawv kev tso tawm tshuaj lom, tau txheeb xyuas qee qhov chaw me me ua qhov muaj kev pheej hmoo rau cov zej zog uas muaj laj kab. Qhov kev txwv hauv EPA txoj cai uas tau muab tso tawm yuav npog kev siv methylene chloride txuas ntxiv ntawm feem ntau ntawm cov chaw no, uas qhov tseeb yog qhov muaj kev pheej hmoo rau zej zog."
Cov lus tawm tswv yim txog txoj cai uas tau tsim yuav raug lees txais los ntawm Federal Electronic Rulemaking Portal txog rau lub Xya Hli 3, 2023, tus lej nkag EPA-HQ-OPPT-2020-0465.
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Tus Txhawb Nqa: Superior Glove Nws tsis yog qhov xav tsis thoob tias kev ntaus, kev sib tsoo thiab kev tsoo yog cov feem ntau tshwm sim hauv txhua qhov chaw ntawm lub neej thiab tuaj yeem ua rau muaj ntau yam kev raug mob tes. Thaum ib yam khoom ntaus lossis ntswj tes, lub zog raug xa mus ncaj qha los ntawm yam khoom mus rau tes thiab yuav ua rau raug mob. Qhov no hu ua kev raug mob los ntawm kev cuam tshuam. Txij li cov qhov txhab me me mus rau cov pob txha tawg, pob txha tawg lossis qhov txhab, cov neeg ua haujlwm yuav tsum tiv thaiv lawv txhais tes siv cov khoom siv tiv thaiv tsim nyog. Yog xav paub ntxiv!
Lub hom phiaj ntawm EHS On Tap yog muab cov ntaub ntawv podcast meej, muaj feem cuam tshuam thiab siv tau rau cov ncauj lus tseem ceeb rau cov kws tshaj lij EHS los ntawm kev xam phaj nrog cov kws tshaj lij thiab cov thawj coj kev xav. Ua raws li cov xov xwm tshiab thiab sau npe!