iVIGA Tap Factory Supplier
Mhirizhonga yemvura yemutobvu yave iri mudambudziko kwemwedzi inopfuura miviri, uye pakupedzisira zvakatemwa kuti “mutungamiri wemhosva” ndechokuti tin solder material yepahuro yemhangura ine lead. Boka revashandi rakavambwa nehurumende yeHong Kong kuti riongorore lead yakawandisa mumvura yekunwa rakaburitsa mhedzisiro yekutanga munaGunyana 25. Zvakaonekwa kuti samples dzemhangura dzehuro welding nzvimbo paKang Ching House, Kai Ching Village ine 41% yemutobvu, 585 nguva dzakakwirira kudarika chiyero cheBritish. Boka rebasa harina kupindura kuti kontrakta anobatanidzwa achazvidavirira kuburikidza nenzira dzemutemo, asi vakangopa mazano akati wandei, kusanganisira kushandiswa kwepakati pekutenga kwezvinhu zvewelding mune ramangwana, kuitira kuderedza kutenga zvisirizvo kwakadzika.
Mumwedzi miviri yapfuura, boka rebasa rakaongorora chikamu chechipiri cheQiqing Village neKwai Lian Village uko zvinotungamira mumvura yekunwa zvakapfuura mwero., uye yakabviswa kupfuura 100 mukati memvura yekugovera system zvikamu, kusanganisira 44 mapaipi emhangura, 28 magedhi, uye 3 Meta yemvura, 12 pombi uye 47 welding zvinzvimbo zvakatakurwa kudzoserwa murabhoritari kunoongororwa kwakasiyana siyana, panguva iyo simbi isina tsvina yakashandiswa muHong Fuk Village, Yuen Long, yekuenzanisa miedzo.
Boka rebasa rakataura kuti sezvo rakaongorora matangi emvura epasi pevhu uye matangi emvura epamusoro pechikamu chechipiri cheKai Ching Village neKwai Lian Village., zvakaonekwa kuti pakanga pane zvishoma pane 1 microgram yemutobvu parita yemvura, uye pombi dzemvura dzinobva pasi pevhu kusvika pamusoro pedenga dzakanga dzakagadzirwa nemapombi esimbi. Hapana welding inobatanidzwa, saka pane chikonzero chekutenda kuti mvura inounzwa kubva papombi dzemvura dzehurumende kuenda kuzvivako haina mutobvu. Chinhu chikuru cheongororo iyi mapaipi emhangura anodzika kubva padenga remba kusvika pauriri hwega hwega.
Nhengo yeboka rebasa Chen Hanhui akatsanangura kuti bvunzo yekuburitsa ndeyekupinza mvura muzvikamu zve 24 maawa ekuverenga huwandu hwese uye kukwevera chaiko kwemutobvu unoburitswa kubva muchikamu chimwe nechimwe checheni yese yekugovera mvura. Mhedzisiro yekuburitsa bvunzo yakawana kuti mune yekupa mvura cheni yeKang Ching House, Kai Ching Village, mutobvu wakabudiswa kubva pamagedhi endarira alloy, pombi, uye mapaipi emhangura / zvinyoro zvekusodha zvinzvimbo zvine dhayamita isingasviki 76 mm. Pakati pavo, kusunungurwa kwehuwandu hwenzvimbo dzekutengesa kwaiva kwepamusoro. Kuongorora kwezvinhu kwakaratidza kuti izvo zvinotungamira zvaive 41%, izvo zvaive 585 nguva dzezvinotungamira zve 0.07% muBritish standard.
Boka rebasa rakaonawo kuti iyo inotungamira mumvura yekunwa mumisha miviri iyi yakapfuura mwero uye haina kukonzerwa nekuiswa kwecopper alloy pombi dzemvura.. Chikwata ichi chakaita ongororo yesainzi yelead isotope ndokuona kuti inotungamira isotope ratios yelead-tin soldering zvinhu uye copper alloy pombi dzemvura zviri pachena ndezvemapoka maviri akasiyana., uye isotopu yezvinhu zvine lead-ine soldering uye masampuli emvura ane yakawandisa lead yemukati Mavhareji anowirirana zvakanyanya.. Mune mamwe mazwi, mutobvu uri mumvura unobva kulead-tin soldering materials.
Pamusoro pe, boka rebasa rakaona kuti mamwe makondirakiti akanga afuratira ega. Magedhi nemafaucet brand akaiswa mune dzimwe dzimba dzeveruzhinji akange asina kufanana neakamboendeswa kuDhipatimendi reMvura Supplies.. Munyori wechikwata uye mubatsiri wemutungamiriri weDhipatimendi reMvura, Leung Chung-li, yakataura kuti mhando yegedhi switch inoshandiswa muKai Ching Village yakasiyana neyakaziviswa mhando, uye izvo zvinotungamira zvegedhi switch hazvienderane neBritish standard. Chikwata chinozotevera nemupi wezvinhu akakodzera. Usarambidza kuibvisa kubva pane yakabvumidzwa runyorwa.
Kuitira kudzivirira kuitika kwe lead mumvura yekunwa, boka rebasa rakapa mazano akati wandei, kubatanidza kunzverwa kwenzvimbo kwakaringanira uye kwenguva dzose kunoitwa navanhu vanokwanisa vanobva kuDhipatimendi Rezvivakwa; kushandiswa kwekukurumidza kutungamira kuyedzwa kana X-ray fluorescence spectrometers kune welding zvinzvimbo; uye kudiwa kwerezinesi Vagadziri uye vanhu vane mvumo vakawedzera mana matsva ma paramita kubvunzo yemhando yemvura yemukati ichangopedzwa nzira yekupa mvura., kureva lead, Chromic, cadmium uye nickel; zvinokurudzirwa kuti Housing Authority iongorore kushandiswa kwezvinhu zvakatengwa zvewelding; uye zvinokurudzirwa kuti Water Authority iongorore mutemo unoenderana.
Boka iri rinotarisirwa kuburitsa gwaro raro rekupedzisira pakati paGumiguru. Boka rebasa rakaedzawo kuburitswa kwemamwe matatu masimbi anorema, kusanganisira cadmium, chromium uye nickel kubva kumativi ese ehurongwa hwekupa mvura. Mhedzisiro yacho yakaratidza kuti nickel yakaonekwa mukicheni uye matepi emuchina wekuwachisa eKangqing House unit muKai Ching Village.. Zvisinei, pane mvura shoma mupombi, uye nickel inogona kushambidzwa mushure mechipiri kana maviri. Mhedzisiro yekuburitswa yebvunzo yecadmium uye chromium mumudziyo wega wega iri pazasi pezinga rinoonekwa, ndizvo, zviri mukati zvishoma pane 1 microgram pa litre yemvura.
