Impact ye OSHA Rule yeSilica Dust

01 ye 02

Iko OSHA's Silica Rule inoreva Maintenance Home Projects

OSHA (Occupational Safety and Health Administration) yakagadza mutemo mutsva wekuchengeteka kwebasa rekuchengetedza remhepo inonzi crystalline silica dust exposure. Inonzi "§1926.1153" Respirable crystalline silica rule uye inosvika munaJune 23, 2017.

Mutemo mutsva unowedzera kukwana PEL kana kuti Chiratidzo Chinobvumirwa Chigadziriswa neHSHA nokuda kwekushanda kwevashandi kune guruva resilika. (PEL ndiyo metric ye OSHA yekuenzanisa kuti guruva rinosvibiswa nemushandi rinogona kufema sei maawa masere).

Kuenderera mberi kwenguva yakareba inhalation yekriststalline silica guruva yakawanikwa ichikonzera mapapu fibrosis anonzi silicosis. Mumakore ekuma1930, Dhipatimendi reMabasa reUnited States rakatanga kuongorora njodzi yehosha iyi. Maererano ne OSHA nhasi:

Vashandi vanoita zvinyorwa zviduku zvikuru zvekristalline silica particles vari mungozi yakawanda yekuita zvirwere zvakakomba zve-silika. Aya maduku maduku (anozivikanwa se "respirable" particles) anokwanisa kupinda mukati-kati mumapapu evashandi uye anoita kuti silicosis, isingagoni kurapwa uye dzimwe nguva inouraya chirwere chemapapu. Crystalline silica exposure inogadzawo vashandi pangozi yekuva nekenza yemapapu, zvimwe zvinogona kukonzera zvirwere zvokufema zvakadai sechirwere chinokonzera kupora zvirwere (COPD), uye zvirwere zvepfungwa.

Apo OSHA yakaumbwa muna 1971, mutemo wakanga uripo we100 μg / m3 (100 micrograms pamakiromita mita) wakagadzirirwa. OSHA ikozvino inonzwa kuti chiyero hachina kusununguka uye hachina nguva yakawedzerwa inowanikwa yakawanda yevashandi mukugadzirwa kwesilika mu simenti fiber board, mabwe ekamusoro uye pamusoro pekugadzirwa kwekamba yematombo yekicheni uye yekushambidzika kwekugeza . Somugumisiro iyo yakasimudzira kugadzirisa mutemo mutsva.

Mutemo mutsva unobata zvigamuchirwa zvinenge zvichibvumirwa kune guruva resilika muhafu. Murairo wezvino unobvumira PEL ye100 μg / m3 pamusoro pebasa remaawa masere inopera kusvika 50 μg / m3. Nenzira yekuteerera iri nyore nyore kupfuura mamwe emitemo yehurumende inobata kuvaka yakadai seEPA Lead Paint Renovation, Repair and Painting (RRP) Rule.

Mutemo mutsva unopa mazano ekugadzirisa mukati mekunze nekunze kunze kwesilika asi zvinoda zvinotevera vese makambani / vashandi maererano neHSHA.

• Shandisa mvura kana kuputika (unyanzvi hwekugadzira) kuvharidzira kushanda kwevhu kune guruva uye PEL;
• Ipa mapiritsi kana magetsi ekugadzirisa asingakwanisi kukwana kukwana;
• Itai kuti vanhu vasvike kunzvimbo dzakakwirira;
• Ita urongwa hwekutsvaga kurongeka, kupa zviongorori zvezvokurapa kune vashandi vanonyatsobudiswa pachena uye vashandi vekurovedza nezvekutyisa kwesilika uye kuti ungadzivirira sei kujekesa.

Utungamiri hweHIVHA huri kuedza kuderedza kushandiswa kwesilika kuburikidza nekushandisa nzira yekudzivirira guruva izvo zvatova kushandiswa zvakajeka. Semuenzaniso, kunyorera pasi basa rekushanda sekushandisa tile kuchera mvura-saw kuitira kuchengeta respirable crystalline silica guruva kubva pakubhururuka, kuvhara basa rekushanda ("kushandiswa kushandiswa"), kana kushandisa gadziriro yekudzivirira gorosi kutora guruva resilika pa purogiramu yezvisikwa zvisati zvanyatsopinza.

Imwe nzira yekudzivirira mushandi kubva kune tsvina yemhepo ndeyokushandisa mupfuri. Mhepo inoputira ine chikwata cheAAPF icho chinonyora chikamu chiduku chekudzivirira kusvibisa kunopa mudzidzi kana yakanyatsogadzirirwa uye yakashandiswa.
Enzanisa Amitengo 3M APF-10 Respirator

Hezvino izvo zvinotarisirwa nekambani yako neHIVHA sezvavanoshanda purogiramu yako yekuvandudza imba kana kugadziridza. Izvo zvinotevera zvinopfupisa mabasa anowanzoenderana nekugadziriswa kwemisha uye mitemo yeAHAHA yekuteerera.

TASK A: Kushandisa Stationary Masonry Saws

Dope Kudzora Nzira:

1. Shandisa saw rakagadzirwa nehuwandu hwemvura inoshandiswa mvura iyo inoramba ichipa mvura kumunda.
2. Shandisa uye kuchengetedza zvigadziro maererano nemirairo yeunogadzirisa kuderedza guruva rinobudisa.

Zvinoda Kufuridzirwa nekudzivirirwa nekudzivirirwa uye zvishoma zvishoma zvakapiwa kuchengetedzwa kwezvinhu (APF):

1. ≤ 4 maawa / kuchinja: Hapana
2. > 4 maawa / kuchinja: Hapana

TASK B: Handheld power saws (chero upamhi hwomukati)

Dope Kudzora Nzira:

1. Shandisa saw rakagadzirwa nehuwandu hwemvura inoshandiswa mvura iyo inoramba ichipa mvura kumunda.
2. Shandisa uye kuchengetedza zvigadziro maererano nemirairo yeunogadzirisa kuderedza guruva rinobudisa.

Zvinoda Kufuridzirwa nekudzivirirwa nekudzivirirwa uye zvishoma zvishoma zvakapiwa kuchengetedzwa kwezvinhu (APF):

Apo yaishandiswa kunze:

1. ≤ 4 maawa / kuchinja: Hapana
2. > 4 maawa / kuchinja: APF 10

Paakashandiswa muimba:

1. ≤ 4 maawa / kuchinja: APF 10
2. > 4 maawa / kuchinja: APF 10

TASK C: Handheld power saws yekucheka fiber-simenti bhokisi (rine ruvara rwema 8 masentimita kana pasi)

Dope Kudzora Nzira:

Pamabasa akaitwa kunze kwega:

1. Shandisa saw rakagadzirwa nekutengeswa kweguruva rekuunganidza gadziriro.
2. Shandisa uye kuchengetedza zvigadziro maererano nemirairo yeunogadzirisa kuderedza guruva rinobudisa.
3. Mutori wekusvitsa anofanira kupa hupenyu hwemhepo inokurudzirwa neshandisi yakagadzirwa, kana yakakura, uye ine firati ine 99% kana kuti yakawanda zvikuru.

Zvinoda Kufuridzirwa nekudzivirirwa nekudzivirirwa uye zvishoma zvishoma zvakapiwa kuchengetedzwa kwezvinhu (APF):

Apo yaishandiswa kunze:

1. ≤ 4 maawa / kuchinja: Hapana
2. > 4 maawa / kuchinja: Hapana
   

TASK D: Maoko emakona nemaoko akasimudza (kusanganisira zvinokonzerwa uye zvinokonzerwa nenyundo)

Dope Kudzora Nzira:

1. Shandisa ganda rakagadzirwa neshizha rinoshandiswa nekutengeserana kana cowling neguruva rekuunganidza.
2. Shandisa uye kuchengetedza zvigadziro maererano nemirairo yeunogadzirisa kuderedza guruva rinobudisa.
3. Mutori wekutsvaga anofanira kupa mhepo inoyerera inokurudzirwa ne-tool manufacturer, kana yakakura, uye ine firati ine 99% kana kuti yakanyanya kugadzirisa uye firiji-yekuchenesa maitiro.
4. Shandisa HEPA-yakasvibiswa pakunatswa pakuchenesa mabomba

Zvinoda Kufuridzirwa nekudzivirirwa nekudzivirirwa uye zvishoma zvishoma zvakapiwa kuchengetedzwa kwezvinhu (APF):

Apo yaishandiswa kunze:

1. ≤ 4 maawa / kuchinja: Hapana
2. > 4 maawa / kuchinja: Hapana

TASK E: Walk-behind saws (saw cut slabs / driveways)

Dope Kudzora Nzira:

1. Shandisa saw rakagadzirwa nehuwandu hwemvura inoshandiswa mvura iyo inoramba ichipa mvura kumunda.
2. Shandisa uye kuchengetedza zvigadziro maererano nemirayiridziro emagetsi kuti kuderedza guruva rinokonzerwa.

Zvinoda Kufuridzirwa nekudzivirirwa nekudzivirirwa uye zvishoma zvishoma zvakapiwa kuchengetedzwa kwezvinhu (APF):

Apo yaishandiswa kunze:

1. ≤ 4 maawa / kuchinja: Hapana
2. > 4 maawa / kuchinja: Hapana

Paakashandiswa muimba:

1. ≤ 4 maawa / kuchinja: APF 10
2. > 4 maawa / kuchinja: APF 10

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Kushandisa Inopirator kuti Dzivirire kubva Dota

IAHAHA silika guru rinotonga rinoda kuverenga APF yegumi yekuvaka mune mamwe maitiro. Iyi varindi vedziviriro yekudzivirira kurwisana kuenzaniswa kusvika kune zvakakosha zviduku zvevhu, mafuta kana mvura zvinoshandiswa pakucheka pasi, simenti kana sendire fiber kana kubva kune sanding miti. Mushonga wepamusoro wakarongerwa pa APF 10 haisi chinhu chikuru uye chinogona kuitwa kuburikidza nekushandiswa kwehafu yehafu mask guru guruji (rine BLUE elastic strap). Mafuta akadaro anoshandiswa ne 3M akadai se 8810 (asina kuvhiringika) kana kuti 8822 (valve) kusangana mashekisi.

Enzanisa Amitengo 3M APF-10 Respirator