Environmental Geochemistry Issues Semi-Monthly

Lawsuit Challenges Trump EPA’s Approval of Radioactive Roads : Environmental, public health and union groups sued the Environmental Protection Agency today for approving the use of radioactive phosphogypsum in roads. The groups also petitioned the agency to reconsider its Oct. 20 approval. The EPA has long prohibited use of phosphogypsum in roads because it contains uranium and radium that produce radionuclides linked to higher risks of cancer and genetic damage. Photo of Phosphogypsum (Kirill SHESTAKOV, CC BY-SA 4.0 ; Link ) Phosphogypsum Stack; Fort Mead, FL (Harvey HENKELMANN, Link )

Emigrant Peak and Yellowstone River  by  Hosereed; Link Montana Supreme Court upholds decision to block mining north of Yellowstone (Helen DORÉ, Bozeman Daily Chronicle ; December 9, 2020)  https://www.bozemandailychronicle.com/news/environment/montana-supreme-court-upholds-decision-to-block-mining-north-of-yellowstone/article_8fe4b13a-eff9-5d09-99a1-55b55c4e7058.html Montana Supreme Court Deals Final Blow To Mining Plan Near Yellowstone (Jessica KNOBLAUCH, EarthJustice ; December 9, 2020) https://earthjustice.org/blog/2018-may/montana-court-agrees-yellowstone-gateway-more-valuable-than-gold

Selected Research Articles: Understanding the biogeochemical mechanisms of metal removal from acid mine drainage with a subsurface limestone bed at the Mokotura Mine, Japan (FUCHIDA et al. , 2020) https://www.nature.com/articles/s41598-020-78069-9 The Use of Low Grade Limestone in Acid Mine Drainage Treatment  (OTHMAN et al ., 2019) http://www.ukm.my/mjas/v23_n3/pdf/Anuar_23_3_11.pdf Removal of arsenic and iron from acidic water using zeolite and limestone:  batch and column studies (LIZAMA-ALLENDE et al. , 2017) http://repositorio.uchile.cl/bitstream/handle/2250/149002/Removal-of-Arsenic.pdf?sequence=1 Acid Mine Drainage at Tilt Cove by Scio c ;    CC BY-SA 4.0 , Link