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'Dirty Blizzard' sent 2010 Gulf oil spill pollution to seafloor
(The Earth Institute at Columbia University) Scientists working in the Gulf of Mexico have found that contaminants from the 2010 Deepwater Horizon oil spill lingered in the subsurface water for months after oil on the surface had been swept up or dispersed. In a new study, they detailed how remnants of the oil, black carbon from burning oil slicks and contaminants from drilling mud combined with microscopic algae and other marine debris to descend in a 'dirty blizzard' to the seafloor.
Source: EurekAlert! - Medicine and Health - May 30, 2016 Category: Global & Universal Source Type: news

Superhydrophobic starch-based adsorbent with honeycomb coral-like surface fabricated via facile immersion process for removing oil from water
Int J Biol Macromol. 2022 Mar 12;207:549-558. doi: 10.1016/j.ijbiomac.2022.03.045. Online ahead of print.ABSTRACTThe development of novel superhydrophobic adsorbents is highly demanded for tackling frequent oil spill accidents. Porous starch-based materials have been proven to possess good oil absorption performance, but their superhydrophobicity has not yet been reported, thus limiting their application in oil spill cleanup. Herein, a superhydrophobic starch-based adsorbent (MSC) was fabricated through the facile immersion process of starch cryogel (SC) into toluene solution of methyltrichlorosilane (MTS). Low-surface-ene...
Source: International Journal of Biological Macromolecules - March 16, 2022 Category: Biochemistry Authors: Fan Wang Rongrong Ma Yaoqi Tian Source Type: research

Toxic Spill in West Virginia: Tox on the Web
Chemical Leak in West Virginia: On her Wired Science blog Elemental, @deborahblum tries to track down information about 4-methylcyclohexane methanol (MCHM), a “detergent” (foaming agent) used for washing coal that leaked from a storage tank into West Virginia’s Elk River on Thursday. Not much is known about the toxicology and risk of MCHM, except that it is an irritant. In the meantime, hundreds of thousands of West Virginia residents have been advised to stop drinking and bathing in tap water. Blum makes the important point that, although at this point MCHM does not seem to be overwhelmingly toxic, not...
Source: The Poison Review - January 12, 2014 Category: Toxicology Authors: Leon Tags: Medical amiodarone carbon monoxide toxicity child abuse dolphins elk river hyperbaric oxygen methylcyclohexane puffer fish toxic leak west virginia Source Type: news

Montana Governor Declares State Of Emergency After River Oil Spill
As much as 50,000 gallons of oil has spilled into the Yellowstone River in Montana. Those who live in surrounding cities have been told not to drink tap water. In 2011, more than 60,000 gallons of oil spilled in the same river.» E-Mail This
Source: NPR Health and Science - January 20, 2015 Category: Consumer Health News Authors: Eric Whitney Source Type: news

New satellite to spot planet-warming industrial methane leaks
Multimillion dollar project will scan and make public methane leaks from oil and gas plants that are a major contributor to global warmingMethane leaking from oil and gas facilities around the world – a major contributor to global warming – is set to be spotted from space.The Environmental Defense Fund (EDF) has announced it aims to launch a satellite called MethaneSAT by 2021 to scan the globe and make major leaks public. That information will then enable governments to force action, EDF hopes. Building and launching the satellite will cost tens of millions of dollars, but EDF says it has already raised most of the mo...
Source: Guardian Unlimited Science - April 12, 2018 Category: Science Authors: Damian Carrington Environment editor Tags: Greenhouse gas emissions Climate change Oil and gas companies Business Energy Energy industry Environment Fossil fuels Satellites Science Space World news Source Type: news

Receptor-mediated estrogenicity of native and chemically dispersed crude oil determined using adapted microscale reporter gene assays.
Abstract Endocrine disrupting compounds (EDCs) emerged as a major concern for water quality in the last decade and have been studied extensively since. Besides typical natural and synthetic estrogens also petroleum product compounds such as some PAHs have been identified as potential EDCs, revealing endocrine disruption to be a relevant mode of action for crude oil toxicity. Hence, in the context of a comprehensive retro- or prospective risk assessment of oil spills the implementation of mechanism-specific toxicity such as endocrine disruption is of high importance. To evaluate the exposure risk for the aquatic bi...
Source: Environment International - November 14, 2019 Category: Environmental Health Authors: Johann S, Esser M, Nüßer L, Altin D, Hollert H, Seiler TB Tags: Environ Int Source Type: research

Community-based assessment of marine resources contamination after a large-scale oil spill
An Acad Bras Cienc. 2022 Nov 11;94(suppl 2):e20211392. doi: 10.1590/0001-3765202220211392. eCollection 2022.ABSTRACTAs of August 2019, several oil slicks reached the Brazilian coast, compromising local ecosystems and the economy of coastal communities. In this context, this study aimed to assess seafood quality at the Canavieiras Extractive Reserve (RESEX), located in the state of Bahia, Northeastern Brazil, by determining polycyclic aromatic hydrocarbons (PAHs) concentrations in local biota following the oil spill. It was designed and carried out in a participatory manner, involving RESEX fishers, shellfish and crab gathe...
Source: An Acad Bras Cienc - November 16, 2022 Category: Science Authors: Cl áudia Hamacher C ássia O Farias Michelle P Ara újo Jo ão Pedro M P Pitta Carlos Alberto P Dos Santos M ário Luiz Gomes Soares Source Type: research

Exploring the potential of optical remote sensing for oil spill detection in shallow coastal waters-a case study in the Arabian Gulf
Remote sensing provides an effective tool for timely oil pollution response. In this paper, the spectral signature in the optical and infrared domains of oil slicks observed in shallow coastal waters of the Arabian Gulf was investigated with MODIS, MERIS, and Landsat data. Images of the Floating ...
Source: Optics Express - May 30, 2014 Category: Physics Authors: Jun ZhaoMarouane TemimiHosni GhediraChuanmin Hu Source Type: research

Dispersant from Deepwater Horizon spill found to persist in the environment
Dispersant compound DOSS, which decreases the size of oil droplets and hampers the formation of large oil slicks, remains associated with oil and can persist in the environment for up to four years, a study has demonstrated. The study examined samples collected from deep-sea corals and surrounding sediments collected in Dec. 2010 as well as oil-soaked sand patties found on coastal beaches since July 2010 to the present.
Source: ScienceDaily Headlines - July 16, 2014 Category: Science Source Type: news