Hauv cov cai tswjfwm uas tau tshaj tawm thaum Lub Tsib Hlis 3, Lub Chaw Tiv Thaiv Ib Puag Ncig ntawm Tebchaws Meskas tau tawm tswv yim kom txwv tsis pub siv dichloromethane, tseem hu ua dichloromethane, uas yog cov kuab tshuaj thiab cov khoom siv pabcuam. Nws siv rau ntau yam kev siv rau cov neeg siv khoom thiab kev lag luam, suav nrog cov nplaum thiab cov khoom siv foob, cov khoom siv tsheb, thiab cov tshuaj tshem xim thiab txheej. Cov tshuaj no tau tsim tawm ntau heev - ntawm £ 100 lab thiab £ 500 lab txij li xyoo 2016 txog 2019, raws li Daim Ntawv Qhia Txog Cov Ntaub Ntawv Tshuaj (CDR) - yog li qhov kev txwv no, yog tias dhau los, yuav muaj kev cuam tshuam loj rau ntau yam lag luam.
Daim ntawv thov ntawm EPA hais txog "qhov kev pheej hmoo tsis tsim nyog rau tib neeg kev noj qab haus huv uas dichloromethane ua rau muaj nyob rau hauv cov xwm txheej ntawm kev siv, raws li tau sau tseg hauv EPA cov lus txhais txog kev pheej hmoo raws li Txoj Cai Tswj Xyuas Cov Khoom Lom Zem (TSCA)". TSCA kev ntsuam xyuas kev pheej hmoo thiab kev siv cov kev cai kom txog thaum tsim nyog los xyuas kom meej tias cov tshuaj tsis muaj kev pheej hmoo tsis tsim nyog lawm.
Ntxiv mus, EPA txoj cai lij choj uas tau hais tseg yuav tsum muaj Txoj Kev Npaj Tiv Thaiv Chaw Ua Haujlwm Tshuaj (WCPP), uas suav nrog cov kev cai ua raws li kev txwv kev ua pa thiab kev saib xyuas kev ua pa rau qee qhov kev siv methylene chloride tas mus li. Nws tseem yuav tsim cov kev cai khaws cov ntaub ntawv thiab cov kev cai ceeb toom rau ntau nqe lus ntawm kev siv thiab muab qee lub sijhawm txwv rau kev siv cov kev cai uas yuav ua rau muaj kev puas tsuaj loj rau kev ruaj ntseg hauv tebchaws thiab cov khoom siv tseem ceeb.
Cov tuam txhab uas tsim khoom, xa khoom tuaj, ua tiav, faib khoom lag luam, siv lossis pov tseg cov methylene chloride lossis cov khoom muaj methylene chloride yuav raug cuam tshuam los ntawm txoj cai uas tau muab tso tawm. Txoj cai uas tau muab tso tawm teev ntau dua 40 pawg sib txawv ntawm kev lag luam uas yuav raug them los ntawm txoj cai, suav nrog: kev lag luam wholesale ntawm cov tshuaj lom neeg, cov chaw nres tsheb roj thiab cov chaw nres tsheb, kev tsim cov tshuaj lom neeg organic thiab inorganic yooj yim, kev pov tseg cov khib nyiab phom sij, kev siv cov khoom siv rov ua dua tshiab, xim thiab xim. cov chaw tsim khoom; cov neeg cog lus plumbing thiab cua txias; cov neeg cog lus pleev xim thiab cov ntawv ntsa; cov khw muag khoom siv tsheb thiab cov khoom siv; kev tsim cov khoom siv hluav taws xob thiab cov khoom siv; kev tsim cov khoom siv soldering; cov neeg muag khoom ntawm cov tsheb tshiab thiab siv lawm; kev ntxuav qhuav thiab kev pabcuam ntxhua khaub ncaws; ua cov menyuam roj hmab, cov khoom ua si thiab kev ua si.
Txoj cai uas tau hais tseg no hais tias "Kwv yees li 35 feem pua ntawm cov khoom tsim tawm txhua xyoo ntawm methylene chloride yog siv rau cov hom phiaj tshuaj uas tsis raug rau TSCA thiab tsis raug rau txoj cai no." tsis suav nrog cov lus txhais ntawm "tshuaj lom neeg" hauv subsections (B) (ii) txog (vi). Cov kev zam no "suav nrog ... txhua yam khoom noj, khoom noj khoom haus ntxiv, tshuaj, tshuaj pleev ib ce, lossis khoom siv, raws li tau txhais hauv Tshooj 201 ntawm Tsoom Fwv Teb Chaws Khoom Noj, Tshuaj, thiab Tshuaj Pleev Ib Ce, thaum tsim, ua tiav, lossis faib ua lag luam rau kev siv ua tshuaj. , tshuaj pleev ib ce lossis khoom siv ..."
Rau cov lag luam uas yuav raug cuam tshuam los ntawm qhov kev txwv no, nws yog ib qho tseem ceeb uas yuav tsum pib nrhiav lwm txoj hauv kev. EPA qhov kev ntsuam xyuas ntawm lwm txoj hauv kev rau methylene chloride tau txheeb xyuas lwm txoj hauv kev rau ntau yam kev siv xws li cov nplaum, cov tshuaj sealant, cov tshuaj degreasers, cov xim thiab cov tshuaj pleev xim, cov tshuaj sealant, thiab cov roj nplua nyeem thiab cov roj. Txawm li cas los xij, nws tsim nyog sau cia tias tsis muaj lwm yam khoom siv hloov rau cov khoom pab ua haujlwm (ntawm lwm yam) tau pom. Kev ntsuam xyuas ntawm lwm txoj hauv kev "tsis pom zoo kom siv cov khoom siv hloov chaw ntawm methylene chloride; es, nws lub hom phiaj yog los muab cov npe sawv cev ntawm lwm cov khoom siv thiab cov khoom xyaw tshuaj thiab lawv cov kev phom sij methylene chloride kom ntseeg tau tias cov txiaj ntsig kev tshuaj ntsuam tau suav hais tias yog lwm txoj hauv kev. suav hais tias yog ib feem ntawm TSCA Tshooj 6 (a) cov cai rau methylene chloride." kev ua raws li.
Lus Ceeb Toom: Vim yog qhov xwm txheej dav dav ntawm qhov hloov tshiab no, cov ntaub ntawv muab ntawm no yuav tsis siv tau rau txhua qhov xwm txheej, thiab yuav tsum tsis txhob ua raws li yam tsis muaj lus qhia tshwj xeeb txog kev cai lij choj raws li koj qhov xwm txheej tshwj xeeb.
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Lub sijhawm tshaj tawm: Tsib Hlis-31-2023