Video: Cov khoom siv lead ua puas tas?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov Coj Xyuas khoom siv muaj lub neej txee tsis muaj hnub kawg thiab yog li ntawd ua tsis muaj ib tas sij hawm hnub tim Coj Kev txheeb xyuas muaj nyob hauv khw muag khoom txhua qhov chaw thiab hauv online.
Xav txog qhov no, Puas yog Cov Thawj Coj Hauv Tsev Kuaj Cov Ntsiab Lus ntseeg tau?
"Cov xov xwm zoo yog tias txij thaum ntawd los, EPA kuj tau tsim cov khoom siv lead ua xeem cov qauv kev ua haujlwm. " Hauv EPA-tswj hwm coj qib rau xim-sib npaug rau 0.5 feem pua ntawm cov xim tsim, los ntawm qhov hnyav-a khoom yuav tsum ua kom raug qhov raug lossis tsis zoo 95 feem pua ntawm lub sijhawm.
Ib tus kuj yuav nug, koj ua li cas kuaj cov hmoov txhuas hauv cov khoom? Txoj hauv kev zoo tshaj plaws thiab paub tseeb tshaj plaws rau xeem rau coj yog xa koj cov khoom ua si mus rau a coj -certified kev kuaj sim. Cov npe ntawm cov chaw sim no tuaj yeem nrhiav tau ntawm National Coj Chaw Qhia Ntawv (1-800-424- LEAD ).
Ib yam li ib tus tuaj yeem nug, qhov kev xeem txhuas twg yog qhov tseeb tshaj?
Ntshav Ntshav Coj Qib Kev Xeem Hom no feem ntau yog qhov nyiam xeem mus xyuas kom siab coj theem vim nws zoo li txhim khu kev qha ntxiv tshaj tus ntiv tes xoo xeem . Yog tias tib neeg muaj ntshav coj qib 5 µg/dL (tsib micrograms ib deciliter), lawv tau txiav txim siab kom muaj ntshav siab coj qib.
Cov khoom siv lead ua ntau npaum li cas?
Thiab yog tias koj tau txais cov txiaj ntsig zoo, koj yuav tsum ua raws nrog lub chaw kuaj ntshav xeem . XRF tshuaj xyuas tus nqi kwv yees li $ 500 rau tsev nruab nrab. Lab xeem ntawm cov xim pleev xim tuaj yeem raug nqi $ 85 rau ib tus qauv.
Pom zoo:
Dab tsi yog cov tswv yim siv los tiv thaiv kev mob plab thaum yuav khoom noj ntawm khw muag khoom?
Be Food Safe txhais tau tias tiv thaiv kab mob los ntawm zaub mov los ntawm plaub qib yooj yim: Ntxuav, cais, Ua noj thiab Ua kom txias. Ntxuav: Ntxuav tes thiab nto ntau zaus. Cais: Tsis txhob hla tus kab mob. Ua noj: Ua noj kom sov. Txias: Ua kom txias tam sim
Ntev npaum li cas yuav tsum muaj daim ntawv pov thawj kev nyab xeeb rau cov khoom phom sij raug khaws cia tom qab cov ntaub ntawv siv tsis siv lawm?
Thaum tsis siv tshuaj lossis khoom siv lawm, SDS raug tshem tawm los ntawm phau ntawv tuav pov tseg thiab pov tseg. Koj qhia nrog Human Resources Manager tias SDS rau tshuaj tsis siv lawm koj tseem yuav tsum khaws cov ntaub ntawv pov thawj kev nyab xeeb thiab lawv yuav tsum khaws cia tsawg kawg 30 xyoo
Cov tshuaj txhuam hniav puas yog cov khoom sib xyaw lossis cov khoom ntshiab?
Yog tias muaj kev sib xyaw ntawm cov khoom sib xyaw lossis cov khoom sib xyaw, cov khoom tsis huv. Yog li los ntawm tus kws tshawb fawb pom, tshuaj txhuam hniav yuav luag tsis yog cov khoom siv ntshiab, nws muaj ntau hom sib xyaw sib xyaw ua ke
Vim Li Cas Qhov Chaw Ua Haujlwm Cov Khoom Siv Cov Khoom Uas Muaj Xwm Ceev Whmis tseem ceeb heev?
Keeb kwm tau tsim xyoo 1988, lub hom phiaj ntawm WHMIS yog los xyuas kom cov tswv ntiav haujlwm thiab cov neeg ua haujlwm tau txais cov ntaub ntawv qhia txog kev noj qab haus huv thiab nyab xeeb txog cov khoom muaj kev phom sij uas lawv yuav raug rau tom haujlwm. Cov khoom lag luam npaj rau siv hauv chaw ua haujlwm raug cais raws li lawv cov khoom muaj kev phom sij. Cov ntawv
Cov khoom siv twg yog siv rau cov laug cam?
Ntoo Kuj nug, cov khoom siv twg rau soffit thiab fascia? Thaum soffits thiab fascia yog ib txwm ua los ntawm cov ntaub ntawv zoo li txhuas thiab ntoo , ntau tus tswv tsev tam sim no xaiv cov uas ua los ntawm cov khoom siv hluavtaws thiab sib xyaw zoo li UPVC thiab yas vim lawv muaj kev saib xyuas yooj yim thiab kav ntev.