Video: Lawv puas tau siv asbestos hauv xyoo 1920?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Qee cov khoom lag luam friable kuj yog siv hauv tsev thiab tseem yuav pom muaj nyob hauv cov tsev ua ntej 1990. Hauv tebchaws Australia, asbestos cov khoom siv cement tau tsim thawj zaug hauv Xyoo 1920s thiab feem ntau siv hauv kev tsim cov khoom siv vaj tsev nyob txij thaum nruab nrab xyoo 1940s txog rau thaum xyoo 1980s.
Ib yam li ib tus yuav nug, thaum twg asbestos pib siv?
Cov tsev nyob nruab nrab ntawm 1930 thiab 1950 tej zaum yuav muaj asbestos raws li rwb thaiv tsev Asbestos tej zaum yuav muaj nyob hauv cov xim pleev xim thiab hauv cov khoom sib txuas ua ke siv ntawm phab ntsa thiab qab nthab. Lawv siv yog txwv hauv 1977.
Ib qho ntxiv, xyoo twg asbestos tau siv hauv phab ntsa? Puas muaj asbestos hauv koj lub tsev phab ntsa los tsis yog, feem ntau nplooj ntawv av nkos (tseem hu ua phab ntsa sib koom ua ke) uas tau muag ntawm xyoo 1940 thiab 1980 tau muaj asbestos fiber ntau. Cov khoom no tau los ua ob hom thiab yog siv kom fuse cov nqaws ntawm phab ntsa panels thaum lawv tau teeb tsa.
Yog li ntawd, lawv puas tau siv asbestos xyoo 1900?
Raws li US Environmental Protection Agency (EPA), ntau dua 30 lab tons asbestos tau siv nruab nrab 1900 thiab 1980, qee qhov tseem nyob hauv cov ntaub ntawv thiab cov khoom uas tib neeg tuaj yeem ntsib nrog niaj hnub no.
Puas yog cov tsev ua hauv 80s muaj asbestos?
Ntau tsev ua ua ntej 1980 muaj asbestos hauv cov plag tsev qub, cov vuas luaj qab nthab, lub ru tsev shingles thiab flashing, sab nrauv, rwb thaiv tsev (ib puag ncig lub rhaub dej, cov kav dej, cov kav dej, cov ntawv ci, lub qhov cub tawg), cov yeeb nkab ua ke, thiab sib koom ua ke siv rau ntawm cov nqaws ntawm cov nplooj ntawv. Qee qhov tshiab dua tsev tej zaum kuj muaj asbestos.
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