Chii chiri Mumvura yako, Pleasanton?

NePat Mukuru, January 23, 2020

Chinyorwa chinotevera chakatumirwa kuEast Bay Express asi havana kuwana mhinduro.

Iyo tsime mvura muPleasanton, California yakasvibiswa zvakanyanya nePFAS. Kunobvepi? 

Brett Simpson's East Bay Express chinyorwa, Iyo Inouya Nyika Yemvura-Hunhu Dambudziko, .  

Chinyorwa chinoti Pleasanton's Well 8 yakawanikwa iine zvikamu makumi masere neshanu muzana (trpt) yePFAS. Mvura yakanga iine 108 ppt yeakakora, maererano neCalifornia Water Board. 

Chekutanga kutenderera kwePFAS sampling yePublic Water Systems - Kubvumbi 1st kusvika Chikumi 30th 2019

Sources: bhodhi.ca.gov uye neworleanscity.org.

Midhiya uye masisitimu emvura kutenderera nyika kazhinji anoregeredza kuzivisa huvepo uye kukosha kwe "non-PFOS + PFOA" polyfluoroalkyl zvinhu (PFAS) uye kuvhiringidza veruzhinji pane mutsauko uripo pakati peizvi nePFOS inozivikanwa nePFOA. Per Fluoro Octane Sulfonic Acid (PFOS) uye Per Fluoro Octanoic Acid (PFOA) maviri emamwe anodarika 6,000 PFAS makemikari akagadzirwa, uye iwo ese anotorwa sekutyisidzira hutano hwevanhu.  

Ngatiedzei zvakare. PFOS nePCA Studio mhando mbiri dzePFAS uye dzose dzakashata.

Los Angeles Times yakamhanyisa nyaya muna Gumiguru wa2019, Mazana ematsime akasvibiswa kuCalifornia. Chinyorwa ichi chaisanganisira inoshanda mepu iyo yakashumwa yakashatisa kusvibiswa kwePFAS mudunhu rese. Semuenzaniso, tinya pamachira pamepu yePleasanton uye iwe unongowana chete manhamba anoenderana nePFOS nePFOA kusvibiswa. Iwo akazara 123.75 ppt. Guta, zvisinei, rine 127 ppt ye mashanu mamwe "PFAS" mumvura yayo, yakazara 250.75 ppt. Dzvanya paBurbank uye iwe uchaona kuti guta harina kusvibiswa kwePFOS / PFOA; zvisinei, Burbank ine 108.4 ppt yemamwe makemikari anokuvadza. 

PFBS, PFHpA, PFNA, PFHxA uye PFHxS zvese zvakaratidza kutungamira mumvura yaPleasanton iyo inodarika iyo nyika 5.1 ppt. danho rekuzivisa PFPA. PFHxS yakaratidza kukwirira masendimita makumi manomwe neshanu. Aya makemikari anoshandiswa mune akasiyana emauto nemaindasitiri ekushandisa. 

Usakahadzika kuti inokuvadza.  

Zvese PFAS makemikari ane njodzi uye isu hatifanire kunge tichiinwa. Vatungamiriri venyika vepamusoro vehutano vanoti 1 ppt yePFAS inogona kutyisidzira hutano hweveruzhinji.  Mukadzi ane nhumbu muPleasanton anofanirwa kunyeverwa nekukurumidza kuti asonwa mvura ine PFAS. 

Matanho ePFAS mumvura (yekumwa mvura uye yepasi mvura) inofanirwa kuve yakanyatsogadziriswa uye inowanzo kuudzwa kuruzhinji nehurumende yemubatanidzwa, nyika, uye hurumende dzemunharaunda. Zvidzidzo zvakaendeswa kuPersistent Organic Zvinosvibisa Komiti YeStockholm Musangano inoshuma izvi kutsvaga kwePFHxS kunowanikwa munzvimbo dzakakwirira mumvura yePleasanton: 

• PFHxS yakawanikwa mune umbilical cord yeropa uye inoendeswa kumuumbwe kune yakakura kupfuura izvo zvinonzi zvakaitirwa PFOS.
• Zvidzidzo zvakaratidza kuwirirana pakati pe serum mazinga ePFHxS uye serum mazinga echolesterol, lipoproteins, triglycerides uye emahara fatty acids.
• Mhedzisiro munzira yehutachiona yehoromo yakaratidzirwa yePFHxS muzvidzidzo zvehosha.
• Kuratidzwa kwePrenatal kuFPHxS kunoenderana nekuitika kwezvirwere zvinotapukira (senge ottis media, pneumonia, RS virus uye varicella) muhupenyu hwepakutanga.

IUS yakundikana kugadzirisa chibvumirano cheStockholm zvataurwa pamusoro apa. Kugadziriswa kwayo kwaizokanganisa mutsara wepasi pevakawanda vakadzika-muhomwe uye vezvematongerwo enyika vakadzika vezvigadzirwa zvemakemikari.

Panguva imwecheteyo, hurumende yeUS iri kupa zvakanyanya ruzivo ruzhinji kune ruzivo pamusoro pemakemikari ane ngozi aya. 

Semuyenzaniso,  Toxnet,  chishamiso chinowongorora chakaongorora mabudiro ezvinhu senge PFHxS, chakangobviswa neNiH's, National Library yeMishonga.  

Toxmap yakanga ichangobva kumiswa neNIH. Iyo sevhisi yakapa mepu inowirirana yekutsvaga makemikari ekuburitsa masaiti kutenderera nyika. 

Makava anotonga hugaro.

Iine EPA yakagara pamativi nekuramba kudzora makemikari ePFAS uye nyika yeCalifornia ichidhonza tsoka dzayo mukumisikidza yakanyanya kusvibiswa mazinga ePFAS, zvakakosha munharaunda dzakatambura senge Pleasanton kutungamira mukudzivirira hutano hweveruzhinji.

Zvinosuruvarisa, izvi zvinopesana zvakanyanya nezvakataurwa nevakuru vemaguta uye emvura kutenderera nyika vanotarisira kuhurumende yemubatanidzwa kana hurumende yenyika mhinduro. Semuenzaniso, nhengo yePleasanton City Council, Jerry Pentin akati, "Tinoda nyika kuti itungamire, hurumende yemubatanidzwa kuti itungamire, uye itibatsire kuwana mhinduro kuti mvura yedu igare yakachengeteka."

East Bay Express yakashuma, “Guta harisati raziva kuti kusvibiswa kuri kubva kupi. Nekuti makemikari anga ave kwese kwese uye achienderera munzvimbo, nharaunda dzakanyanya kuona hadziwanzo kunongedzera kune anosvibisa pachena, senge nzvimbo yekumaindasitiri, nzvimbo yekurasa marara, kana nhandare. ”

Pamatsime 568 akaedzwa na California State Water Resources Bhodhi yemakemikari ePFAS muna 2019, 308 (54.2%) akawanikwa aine imwe kana akasiyana PFAS.

Iyo Bhodhi Yemvura yakaedza nhandare dzevanhu, matunhu akasimba emarara marara, uye matsime emvura yekunwa mukati meiyo 1-mamaira matsime atozivikanwa kuti ane PFAS. Kunze kwekusara kushoma senge Pleasanton, kuyedzwa kwakagara kure nenharaunda padyo nekuiswa kwemauto. Hwerengedzo ye 19,228 zvikamu paganda rimwe chete (ppt) yemhando gumi nembiri dzePFAS dzakaedzwa dzakawanikwa mune idzo makumi matatu nemakumi matatu tsime. 14% vanga vari PFOS kana PFOA nepo 308% yasara yaive mamwe marudzi ePFAS.        

Zvichakadaro, zvigaro zvishanu zvechiuto mudunhu. China Lake Naval Air Station, Port Hueneme Naval Base Ventura County, Mather Air Force Base, Tustin USMC Air Station, uye Travis Air Force Base vakasvibisa mvura yepasi pamwe ne11,472,000 ppt, yePFOS + PFOA. Kana iyo ingangoita 50-50 yakakamurwa pakati pePFOS / PFOA uye zvimwe zvinosvibisa zvePFAS zvakawanikwa mumatsime e308 akaedzwa mudunhu rese chiratidzo, izvi zvishanu zvigadziriro zvangu zvine chekuita nekusvibiswa kwePFAS pamatanho ari pamusoro pe20,000,000 ppt. Vanopfuura makumi mashanu mabheseni emauto anozivikanwa kuti akashandisa PFAS muCalifornia. Mauto angangodaro akaburitsa mazana emazana ezviuru emaroni emhepo inorwisa moto ine izvi zvinouraya zvinouraya mweya muCalifornia yemvura yepasi uye pamusoro pemvura.

Kunyangwe mauto aparura kuti mvura inonwisa mvura yakasvibiswa nemakemikari ePFAS kuCamp Parks iri pedyo, haina kuburitsa mibairo yekuongororwa kwemvura yepasi pachigadziko.

Saizvozvowo, Lawrence Livermore National Laboratory haina kuzivisa kuruzhinji hwekusvibiswa kwePFAS mumvura yaro yepasi kana mvura yekunwa, kunyangwe nzvimbo iyi iri pakati penzvimbo dzakashatiswa kwazvo munyika. Zvakawanda zvezviedzo zvakaitwa ipapo zvinosanganisira kuyedza zvigadzirwa zvinoputika zvingangoda kushandiswa kwezvokudzvinyirira moto. Mhando dzakasarudzika dzemakemikari (VOCs) seTCE, PCE, Yapera Uranium, tritium, PCBs uye dioxin, perchlorate, nitrate uye freon ndizvo zvinosvibisa zvakanyanya zvinowanikwa panzvimbo iyi. 

Marara ane muchetura anopararira munzvimbo inosanganisira nzvimbo, kusanganisira yemagetsi mazigero emakomba. Iwo maficha akavigwa  midziyo yemumalabhoti, mashopu ezvitoro nemarara echinyakare. Livermore ine chepfu yekurasa marangi uye ine yakakwira - mabhomba anopisa nzvimbo. Ichi chiitiko chinoshatisa ivhu, mweya, uye mvura padhuze nePleasanton.

Vanhu muPleasanton havana chokwadi kuti iyo PFAS iri kubva kupi. Hazvisi izvo zvakaoma kuwana. Kwayedza pasi pevhu pedyo neLivermore nePaki. 

Pat Mukuru vari pa World BEYOND War bhodhi revatungamiriri, uye zvakare inogona kuwanikwa kune www.renbxpressley.org uye
www.neworleansclub.org.