Environmental Geochemistry Issues Semi-Monthly

Agriculture is a major source of NO x   pollution in California (ALMAREZ et al. , 2018) http://advances.sciencemag.org/content/advances/4/1/eaao3477.full.pdf Evaluating ammonia (NH 3 ) predictions in the NOAA National Air Quality Forecast Capability (NACFQ) using in situ aircraft and satellite measurements from the CalNex2010 campaign (BRAY et al. , 2017) https://tes.jpl.nasa.gov/uploadedfiles/1-s2.0-S1352231017303333-main.pdf Ozone Design Values in Southern California's Air Basins:  Temporal Evolution and U. S Background Contribution (PARRISH et al., 2017) http://cose.sfsu.edu/sites/default/files/files/jgrd54136%255b1%255d.pdf WRF-Chem simulation of aerosol seasonal variability in the San Joaquin Valley (WU et al. , 2017) https://pdfs.semanticscholar.org/bad1/e66053df3771a6ce29bf4e80651d8369c567.pdf Fine scale simulation of ammonium and nitrate over the South Coast Air Basin and the San Joaquin Valley of California during CalNex-2010 (KELLY et al. , 2014) ...

New!   Florence's rains:  Coal ash landfill collapses in Carolinas (Michael BIESECKER, Associated Press ; September 16, 2018) https://apnews.com/28d9884e801248a39ff8669cd720ab78 EPA eases rules on how coal ash waste is stored across U. S. (Juliet EILPERIN and Brady DENNIS, Washington Post ; July 17, 2018) https://www.washingtonpost.com/national/health-science/epa-eases-rules-on-how-coal-ash-waste-is-stored-across-the-us/2018/07/17/740e4b9a-89d3-11e8-85ae-511bc1146b0b_story.html?noredirect=on&utm_term=.5bdc35911f72 Why the EPA's Proposed Coal Ash Rule is Concerning (Avner VENGOSH, PhD; Power Magazine; June 1, 2018) http://www.powermag.com/why-the-epas-proposed-coal-ash-rule-is-concerning/ Legal Documentation: Environmental Comments on Docket ID No. EPA-HQ-OLEM-2017-0286 (EarthJustice et al. , 2018) http://www.environmentalintegrity.org/wp-content/uploads/2017/02/2018-04-30-Envtl.-Comments-EPA-HQ-OLEM-2017-0286.pdf Selected Research Articles: Rankin...

New!   The Valley floor is sinking, and it's crippling California's ability to deliver water (Dale KASLER and Phillip REESE, The Sacramento Bee ; July 13, 2018) https://www.sacbee.com/news/state/california/water-and-drought/article214631455.html Dry wells, sinking land and fears of a global food crisis (Jeremy P. JACOBS, Western Water - E&E News ; June 25, 2018) https://www.eenews.net/stories/1060086059 N. B.:   For more information on Land subsidence and Groundwater overpumping in the San Joaquin Valley , please refer to "Blog Archives" for my former blog posts under the following titles and dates: Increased Arsenic Contamination in Groundwater due to Overpumping - San Joaquin Valley, California            6/6/2018 About the WEF San Joaquin Valley Land Subsidence Event       8/20/2017 Permanent Groundwater Storage Reduction due to Overpumping - San Joaquin Valley, CA    4/13/2017 California Drought ...

Clean Water Act Hazardous Substance Spill Prevention Proposed Rule (Federal Register, U. S. EPA ; June 25, 2018) https://www.federalregister.gov/documents/2018/06/25/2018-13470/clean-water-act-hazardous-substances-spill-prevention Agency/Docket Numbers : EPA-HQ-OLEM-2018-0024 FRL-997983-OLEM "Comments must be received on or before August 24, 2018 " EPA Proposes Tanking New "SPCC" for Hazardous Substances Regulation (Kelley DRYE & WARREN, LLP/Joseph GREEN, JD Supra; June 21, 2018) https://www.jdsupra.com/legalnews/epa-proposes-tanking-new-spcc-for-60760/ Administrator Pruitt Proposes Rule to Provide Regulatory Certainty on Spill Prevention (New Release, U. S. EPA ; June 21, 2018) https://www.epa.gov/newsreleases/administrator-pruitt-proposes-rule-provide-regulatory-certainty-spill-prevention Proposed Rulemaking on Clean Water Act Hazardous Substances Spill Prevention ( U. S. EPA ; June 15, 2018) https://www.epa.gov/rulemaking-preventing-...

A Question Asked at the 3rd Annual CA Water Boards Science Symposium https://cmeilinghamilton.com/2018/06/22/a-question-asked-during-the-3rd-annual-ca-water-boards-science-symposium/

Toxicological Profile of Perfluoroalkyls (ATSDR, Draft Report; June 2018) https://www.atsdr.cdc.gov/toxprofiles/tp200.pdf

Stanford researchers find groundwater pumping can increase Arsenic levels in irrigation and drinking water (Josie GARTHWAITE, Stanford News : June 5, 2018) https://news.stanford.edu/2018/06/05/overpumping-groundwater-increases-contamination-risk/ Featured Research Article: Overpumping leads to California arsenic groundwater threat (SMITH et al. , 2018) https://www.nature.com/articles/s41467-018-04475-3.pdf Supplementary Information to SMITH et al. , 2018 https://static-content.springer.com/esm/art%3A10.1038%2Fs41467-018-04475-3/MediaObjects/41467_2018_4475_MOESM1_ESM.pdf Also... Does your water district fail to comply with drinking water standards? (Phillip REESE, Sacramento Bee ; June 1, 2018) http://www.sacbee.com/news/state/california/water-and-drought/article212304694.html Documentation: Summary of Public Water System Exceedance/Compliance Status ( California State Water Resources Control Board; May 9, 2018) https://www.waterboards.c...