Sijhawm Nyeem Ntawv: 2 feeb
Nyob rau hauv Ashland, Superfund qhov chaw 16-acre cov av ntawm cov pob zeb tsis huv yog ntim nrog cov roj tar - thiab cov slabs ntawm ntoo los ntawm sawmill uas ua haujlwm ntawm no thaum xyoo pua 20th. Xaiv cov ntoo antique tseem yog ib qho kev ua si nrov hauv cheeb tsam, txawm tias nws tsis raug tso cai ntawm no. Kate Golden / WCIJ

Ib puas xyoo tar plume nyob rau hauv prime waterfront hauv Ashland edged los ze zog rau kev daws teeb meem lub lim tiam no nrog ib tug tau thov $40 lab kev daws teeb meem rau ib feem ntawm kev ntxuav.

lub Center them Ashland's Superfund site hauv 2010 - thaum lub sijhawm cov pa phem tau ntsib 21 xyoo ntawm lub xeev thiab tsoomfwv saib xyuas.

Lub tsev kawm ntawv muaj kuab paug los ntawm gooey dub thee tar thiab ntau lab nkas loos ntawm cov dej hauv av tsis huv uas lub chaw siv hluav taws xob Northern States Power-Wisconsin tau pom zoo los ntxuav, raws li cov ntaub ntawv. sib hais haum nrog rau US Department of Justice, US Environmental Protection Agency, thiab lub xeev Department of Natural Resources, tau foob hauv Madison Wednesday.

Cov pej xeem muaj 30 hnub los tawm tswv yim txog kev sib hais haum. Kev siv hluav taws xob kuj tau pom zoo kom xa ntau pua daim av rau lub xeev DNR thiab Bad River Band ntawm Lake Superior Chippewa Indians rau kev txuag cov peev txheej ntuj.

Qhov no tseem tso cov tar-polluted sediments hauv Lake Superior, uas yuav raug nqi ntau dua los ntxuav. Tsoomfwv tseem tsis tau sib tham txog qhov kev hais daws no, uas tuaj yeem ntxiv $ 60 lab rau tus nqi kawg.

Raws li cov tub ceev xwm, feem ntau ntawm cov tar yog los ntawm cov chaw tsim khoom roj uas tsim hluav taws xob nyob rau ntawm 1885 thiab 1947. Cov nroj tsuag hluav taws xob zoo li cov dotted Wisconsin thiab lub teb chaws rau 150 xyoo. Ntau yam ntawm cov nroj tsuag tau tso tseg tom qab qhov chaw kis kab mob los ntawm cov khoom siv, thee tar, uas paub tias ua rau mob qog noj ntshav thiab tsis tawg yooj yim.

Hauv Wisconsin, Ashland qhov chaw yog suav tias yog ib qho ntawm cov thorniest thiab kim tshaj plaws los ntxuav. Eau Claire-based NSP-Wisconsin, muaj los ntawm Xcel Energy, tau txais cov nroj tsuag roj hauv xyoo 1986.

Nyeem: Tshuaj lom neeg keeb kwm: Century-laus tar plumes hauv qab Lake Superior ua rau muaj kev ntshai txog kev noj qab haus huv - thiab kev ntxuav tuaj yeem yog xyoo tom ntej
Saib: An suab slideshow ntawm Ashland cov neeg nyob hauv uas tau nyob nrog kev sib kis tag nrho lawv lub neej
Tshawb: Cov chaw tsim hluav taws xob qub hauv koj lub zej zog ntawm peb lub xyoo 2010 sib tham sib daim ntawv qhia.

Creative Commons License

Rov luam tawm peb cov ntawv dawb, hauv online lossis luam tawm, raws li daim ntawv tso cai Creative Commons.

Nrov dab neeg los ntawm Wisconsin Watch

Kate Golden, tus thawj coj hauv xov xwm thiab tshaj xov xwm, tshwj xeeb hauv cov dab neeg ib puag ncig thiab cov ntaub ntawv pom.