7/25/2019 Hfile65e V

1/2

Vietnamese - Number 65e

December 2014

Cht Dng Ht v S Nhim Kh Tri

Particulate Matter and Outdoor Air Pollution

Cht lng khng kh c xc nh bi mc cccht gy nhim trong khng kh. Cht lngkhng kh b nh hng bi loi v s lng cccht gy nhim c thi vo khng kh, cciu kin thi tit nh tc gi, lng (ma vtuyt), nhit va hnh, chng hn nh ninon ti a phng.

Mc cc cht gy nhim khng kh c ththay i rt ln t a im ny sang a im

khc v t gi ny sang gi khc. Mt vi chtgy nhim c o lng ti cc trm theo dingoi tri ca tnh bang v c so snh vi cctiu chun v cc hng dn.

nhim dng ht l g?

Cht dng ht (particulate matter, vit tt PM) nin nhng ht nh th rn hoc thlng bay llng trong khng kh. Cc ht ny c th donhiu cht khc nhau to nn,bao gm cacbon,sulfua, kh nitv cc hp cht kim loi.

Ni chung, cc ht nh hn c ngh l c hicho sc khe hn l cc ht ln bi v chng cth isu vo h thngh hp, k c phi. V ldo ny, cc ht mn c ng knh nhhn 2.5micromet (PM2.5) c lin h trc tip n cc vn sc khe nghim trng hn so vi cc ht lnhn. PM2.5 l khong mt phn tm ca ngknh mt si tc.

PM10bao gm cc ht mn cng nh cc ht thnm trong khong cng knh t2.5 n10micromet. Cc ht th c khuynh hng lu li

phn pha trn ca b my h hp ca chng ta,chng hn nh mi v c.

iu g gy nhim dng ht?

Bt c hnh thc chy no, cng cn gi ls tchy, u c th dn n s nhim dng ht.

Mt trong nhng ngun to ra vt dng ht tiB.C. l s t citi nh. Khi cic th n tnhiu ngun chnghn nh l si hoc bp citi nh, tt c cc s t chy cy c ngoi tri,sau sn vn hoc mt s ngun ti cc c s kngh sn xut g.

Cc ngun khc ca vt dng htbao gm tt cxe c, nht l nhng xe vi ng c du cn,bing, mt s ngnh k ngh, cc l cng

nghip, v ht thuc l.

Cc nh hng ti hi ca khi thuc l c bitrt r, v v vy, nhiu th tiB.C. hn chvic ht thuc l ti nhng ni cng cng.

nhim dng ht nguy him nh thno?

Chtdng ht c xem l cht gy nhimkhng kh ng lo ngi nht cho sc khe conngi tiB.C.Nghin cu chng minh chothy tip xc vi PM c th a n vic phingh lm hoc ngh hc,phi vo phng cp cu,

phi nhp vin, v t vong.

C nhng stip xc ngn hn v di hn viPM c th dn n s sa st ca bnh tim v v

bnh phi.N cng c th gy s t vong sm,nht l nhng ngi c nhiu nguy c b nhhng bi s nhim dng ht.

Nhng ngi c nhiu kh nng b nh hngbi s nhim dng ht bao gm:

tr em; ngi gi; v

nhng ngi c bnh tim hoc phi, chng hnnh suyn v tc phi mn tnh (COPD).

7/25/2019 Hfile65e V

2/2

Lm th no ti c th gim thiu s nhim dng ht?

Qu v c th gim thiu cc mc nhim dnght bng cch gim thiu cc mc s lng chtdng ht sn sinh t khi thuc, v gim bt khthi xe c.

Gim thiu s lng cht dng ht sn sinh tkhi thuc:

B ht thuc; nu qu v ht thuc, ng httrong nh.

Ph bi rc vnthay v t chng.

Gii hn vic dng l si v l t bng ci;khi dng cc thit b ny, hy bo m cic t ng cch. G c x l ttthayv dng g t hoc cn ti. Cc l phi ttiu chun kh thi ca Hi Tiu ChunCanada (Canadian Standards Association, vittt CSA) hocC quan Bo v Mi trng(Environmental Protection Agency, vit ttEPA).

Chuyn sang dng cc l t sch hn. V d,l t ci nn (pellet stove) sn xut t chtdng ht hn cc l c in t bng ci.

C hnh ng gim thiu vic chy rng.Thc hin vic t la an ton sau vn nh vs dng la tricn thn.

bit thm thng tin, xin xemHealthLinkBCFile #65c Phm Cht Khng Kh Trong Nh: PhSn Khi t Chy.

Gim thiu khi thi xe c v gia tng hiunhin liu:

Cc xe chy du cn, k c xe ti, l ngun chyu to ra cc ht mn. Gim thiu kh thi tmy du cn bng cch thay nhng ng c cvi cc ng c mi hnv sch hn.

i b, i xe p, dng phng tin chuyn ch

cng cng v i chung xe vi nhau bt c khino c th.

Ch cc lch trnh c ngh trong vicbo tr xe c ca qu v.

bit thm thng tin

bit thm thng tin v cht dng ht v sckhe qu v, xin vingcc trang mng sau y:

B Mi Trng B.C.Cht lng Khng khti BCwww.bcairquality.ca/101/common-

pollutants.html

Hi Phiwww.lung.ca/lung-health/air-quality/outdoor-air-quality

Mun bit thm cc ti caHealthLinkBC vo

www.HealthLinkBC.ca/healthfileshocn phng y t cng cng ti aphng qu v.

Bm vowww.HealthLinkBC.cahocgi s 8-1-1 bit chi titv cc dchv sc khe khng cp thit ti B.C.

Mun tm s tr gip cho ngi ic vkhim thnh, gi s 7-1-1 ti B.C.

C dch v dch thut vi hn 130 ngnng khi c yu cu ca qu v.

http://www.healthlinkbc.ca/healthfiles/bilingua/vietnamese/hfile65c-V.pdfhttp://www.healthlinkbc.ca/healthfiles/bilingua/vietnamese/hfile65c-V.pdfhttp://www.healthlinkbc.ca/healthfiles/bilingua/vietnamese/hfile65c-V.pdfhttp://www.healthlinkbc.ca/healthfiles/bilingua/vietnamese/hfile65c-V.pdfhttp://www.healthlinkbc.ca/healthfiles/bilingua/vietnamese/hfile65c-V.pdfhttp://www.bcairquality.ca/101/common-pollutants.htmlhttp://www.bcairquality.ca/101/common-pollutants.htmlhttp://www.bcairquality.ca/101/common-pollutants.htmlhttp://www.bcairquality.ca/101/common-pollutants.htmlhttp://www.lung.ca/lung-health/air-quality/outdoor-air-qualityhttp://www.lung.ca/lung-health/air-quality/outdoor-air-qualityhttp://www.lung.ca/lung-health/air-quality/outdoor-air-qualityhttp://www.lung.ca/lung-health/air-quality/outdoor-air-qualityhttp://www.healthlinkbc.ca/healthfileshttp://www.healthlinkbc.ca/healthfileshttp://www.healthlinkbc.ca/http://www.healthlinkbc.ca/http://www.healthlinkbc.ca/http://www.healthlinkbc.ca/http://www.healthlinkbc.ca/healthfileshttp://www.lung.ca/lung-health/air-quality/outdoor-air-qualityhttp://www.lung.ca/lung-health/air-quality/outdoor-air-qualityhttp://www.bcairquality.ca/101/common-pollutants.htmlhttp://www.bcairquality.ca/101/common-pollutants.htmlhttp://www.healthlinkbc.ca/healthfiles/bilingua/vietnamese/hfile65c-V.pdfhttp://www.healthlinkbc.ca/healthfiles/bilingua/vietnamese/hfile65c-V.pdfhttp://www.healthlinkbc.ca/healthfiles/bilingua/vietnamese/hfile65c-V.pdf