Peb tus khub, Braun Intertec, muab cov ntaub ntawv keeb kwm ntawm contamination ntawm Hillcrest Golf course.

Keeb kwm Siv Mercury Kuas Khoom

Cov mercury-tej yam uas nrhiav tau ntawm Hillcrest Golf course yog los ntawm keeb kwm siv mercury-uas muaj fungicides thiab lwm turf tswj agricultural khoom uas feem ntau siv rau golf courses yav tag los. Cov khoom no tau lug siv nyob rau teb chaws As Mes Lis Kas thiab Canada, tshwj xeeb tshaj yog nyob rau qaum teb kev nyab xeeb, los tiv thaiv lub caij, mold hais txog, turf teeb meem.

Siv mercury-uas muaj cov khoom rau golf courses hnub rov qab mus rau lub 1950s thiab txuas ntxiv mus rau hauv lub 1990s. Cov khoom no tau niaj zaus ua ntawv thov ntsuab thiab/los yog lwm yam golf courses, ntau zaus ib xyoo, siv kev lag luam txheem xyaum thiab siv cov ntawv lo. Vim mercury hauv daim ntawv no kuj immobile, qhov tshwm sim ntawd yog elevated mercury concentrations hauv ntiav av, feem ntau cov av 12,"qhov twg cov khoom ntawd thov.

Nyob rau hauv Minnesota, Minnesota Department of Agriculture (MDA) muaj jurisdiction hla tej yam uas ua los ntawm cov khoom uas siv rau agricultural purposes, xws li golf course turf tswj. Cov MDA tsis xav txog mercury-tej av rau golf courses yuav "tso tawm" vim hais tias cov agricultural hais txog cov khoom uas tau siv los ua npaj.  Li ntawd, nyob rau hauv rooj plaub ntawm Hillcrest Golf Course, cov mercury no tsis tau dumped los yog los ntawm ib tug "polluter" los yog "lub luag hauj lwm tog" uas yuav tsum tau ntxawg tub ceev xwm los yog lwm yam tshwj xeeb.

Txawm li ntawd los, raws li ib qho teeb meem xyaum, MDA yuav cia siab tias mercury tej yam yuav tsum tau ntxuav tu kom huv si yuav tsum tau cov cuab yeej hloov yav tom ntej. Thaum uas ua, xws li cov cleanups yog tsim los xyuas kom meej tias cov av seem raws li cov qauv uas zoo ib yam nrog rau lub neej yav tom ntej siv cov cuab yeej.