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Kev txwv tsis pub dichloromethane qhia, txwv kev tso tawm rau kev siv lag luam

Thaum Lub Plaub Hlis 30, 2024, Lub Koom Haum Saib Xyuas Kev Tiv Thaiv Ib puag ncig hauv Tebchaws Meskas (EPA) tau tshaj tawm txwv tsis pub siv ntau lub hom phiaj dichloromethane raws li kev tswj hwm kev pheej hmoo ntawm Txoj Cai Tswj Tshuaj Toxic (TSCA). Qhov kev txav no yog txhawm rau ua kom ntseeg tau tias kev siv tseem ceeb dichloromethane tuaj yeem siv tau zoo los ntawm kev pab cuam tiv thaiv neeg ua haujlwm. Qhov kev txwv no yuav siv sijhawm li 60 hnub tom qab nws tshaj tawm hauv Tsoom Fwv Teb Chaws Register.

Dichloromethane yog ib yam tshuaj txaus ntshai, uas yuav ua rau muaj ntau yam mob qog noj ntshav thiab teeb meem kev noj qab haus huv loj, suav nrog mob qog noj ntshav, mob ntsws cancer, mob qog noj ntshav, mob qog nqaij hlav hlwb, mob qog nqaij hlav hauv hlwb, mob qog nqaij hlav hauv nruab nrog cev. Tsis tas li ntawd, nws tseem ua rau muaj kev pheej hmoo ntawm neurotoxicity thiab daim siab puas. Yog li ntawd, qhov kev txiav npluav xav kom cov tuam txhab muaj feem cuam tshuam kom maj mam txo cov khoom tsim, ua, thiab kev faib tawm ntawm dichloromethane rau cov neeg siv khoom thiab feem ntau kev lag luam thiab kev lag luam, suav nrog kev kho kom zoo nkauj hauv tsev. Cov neeg siv khoom siv yuav raug txiav tawm hauv ib xyoos, thaum kev lag luam thiab kev lag luam siv yuav raug txwv tsis pub dhau ob xyoos.

Rau ob peb qhov xwm txheej nrog kev siv tseem ceeb hauv thaj chaw muaj kev lag luam siab, qhov kev txwv no tso cai rau kev tuav cov dichloromethane thiab tsim kom muaj kev tiv thaiv tus neeg ua haujlwm tseem ceeb - Txoj Haujlwm Tiv Thaiv Tshuaj Tiv Thaiv Chaw Ua Haujlwm. Cov phiaj xwm no tau teeb tsa cov kev txwv nruj, kev saib xyuas cov cai, thiab kev cob qhia cov neeg ua haujlwm thiab kev ceeb toom cov dej num rau dichloromethane los tiv thaiv cov neeg ua haujlwm los ntawm kev hem thawj ntawm kev mob qog noj ntshav thiab lwm yam teeb meem kev noj qab haus huv los ntawm kev raug rau cov tshuaj no. Rau cov chaw ua haujlwm uas yuav txuas ntxiv siv dichloromethane, feem ntau ntawm cov tuam txhab yuav tsum ua raws li cov kev cai tshiab hauv 18 lub hlis tom qab tso tawm cov cai tswj kev pheej hmoo thiab ua raws li cov cai tsis tu ncua.

Cov kev siv tseem ceeb no suav nrog:

Ua lwm yam tshuaj, xws li cov tshuaj tseem ceeb hauv tub yees uas tuaj yeem maj mam tshem tawm cov teeb meem hydrofluorocarbons raws li Bipartisan American Innovation thiab Manufacturing Act;

Kev tsim hluav taws xob tsheb roj teeb cais;

Kev pab cuam hauv kaw kaw;

Kev siv cov tshuaj kuaj;

Kev tsim cov yas thiab roj hmab, suav nrog kev tsim cov polycarbonate;

Solvent vuam.


Post lub sij hawm: Oct-23-2024