▁shell ▁filters ▁are ▁some ▁of ▁the ▁techn ologies ▁used ▁in ▁tre ating ▁was tes ▁from ▁produced ▁water . ▁ ▁Radio activity ▁In ▁January , ▁ 2 0 2 0 , ▁Rol ling ▁Stone ▁magazine ▁published ▁an ▁extensive ▁report ▁regarding ▁produced ▁water ' s ▁radio activity ▁contents ▁and ▁its ▁effects ▁on ▁workers ▁and ▁communities ▁across ▁the ▁United ▁States . ▁Per ▁the ▁article , ▁sample d ▁br ine ▁from ▁a ▁plant ▁in ▁Ohio , ▁tested ▁in ▁a ▁University ▁of ▁Pitts burgh ▁lab , ▁registered ▁rad ium ▁levels ▁above ▁ 3 , 5 0 0 . ▁The ▁N uc lear ▁Reg ul atory ▁Commission ▁requires ▁industrial ▁dis charg es ▁to ▁remain ▁below ▁ 6 0 ▁for ▁each ▁of ▁the ▁most ▁common ▁is ot op es ▁of ▁rad ium , ▁rad ium - 2 2 6 ▁and ▁rad ium - 2 2 8 . ▁ ▁See ▁also ▁ ▁Indust rial ▁waste ▁water ▁treatment ▁ ▁O il – water ▁separator ▁ ▁References ▁ ▁Category : P et role um ▁production ▁Category : W ater ▁poll ution ▁Category : N atural ▁gas <0x0A> </s> ▁N ase h ▁G ow d - e ▁V ali ▁Khan - e ▁J ow kar ▁( , ▁also ▁Roman ized ▁as ▁N ase h ▁G ow d - e ▁Val ī ▁Kh ā n - e ▁J ow k ā r ) ▁is ▁a ▁village ▁in ▁Marg own ▁R ural ▁District , ▁Marg own ▁District , ▁Bo yer - A hm ad ▁County , ▁Koh g il u ye h ▁and ▁Bo yer -