"High Speed 2 (HS2) contractors have admitted leaking 1,500m3 of bentonite slurry into a chalk aquifer that traditionally carries water eventually supplied to Londoners"
https://www.newcivilengineer.com/latest/hs2-contractors-lose-bentonite-into-aquifer-14-09-2021/
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https://www.newcivilengineer.com/latest/hs2-contractors-lose-bentonite-into-aquifer-14-09-2021/
HS2 contractors 'lose' bentonite into aquifer | New Civil Engineer
www.newcivilengineer.comThe Align join venture – formed of Bouygues Travaux Publics, Sir Robert McAlpine, and VolkerFitzpatrick – published a 45-page report into the “loss” of