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Biodegradation Of Dimp Dieldrin Isodrin Dbcp And Pcpmso In Rocky Mountain Arsenal Soils Installation Restoration Program Environmental Technology Development
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Book Synopsis Biodegradation of DIMP, Dieldrin, Isodrin, DBCP, and PCPMSO in Rocky Mountain Arsenal Soils. Installation Restoration Program, Environmental Technology Development by :
Download or read book Biodegradation of DIMP, Dieldrin, Isodrin, DBCP, and PCPMSO in Rocky Mountain Arsenal Soils. Installation Restoration Program, Environmental Technology Development written by and published by . This book was released on 1989 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: The role of biodegradation in the environmental fate of DIMP, dieldrin, isodrin, DBCP, and PCPMSO in Rocky Mountain Arsenal soils was evaluated. Surface soil borings were collected from contaminated and uncontaminated regions at RMA. The extent of heterotrophic microbial activity in the soil samples was determined by monitoring 14-CO2 production from soils spiked with a mixture of 14C-glucose, 14C-acetate, and 14C-amino acids. Soil extracts were plated on nutrient agar to enumerate total heterotrophs. Two of six soil samples exhibited little or no heterotrophic activity. The lack of metabolic activity in these two samples was attributed to microbially inhibitive soil contaminants. Inactive soils were not utilized in subsequent mineralization studies. The mineralization of radiolabeled DIMP, dieldrin, isodrin, DBCP, and PCPMSO in contaminated and uncontaminated RMA soils was determined. Soil samples were spiked with test compound and incubated at 22 deg C. Headspace in the test flasks was periodically sampled and analyzed for 14C-organics and 14-CO2. Mineralization studies were conducted for a period of 26 weeks. All five test compounds were poorly degraded under aerobic conditions. Low, but statistically significant (compared to sterile controls) levels of 14-CO2 were produced from 14C-isodrin and 14C-dieldrin. Previous research by other investigators indicated that the five test compounds are resistant to aerobic degradation. Data from the present study support these findings. The mineralization of 14C-isodrin was also evaluated in a laboratory-scale composting system maintained at 55 deg C. Less than 0.1 percent of 14C-isodrin was evolved as 14-CO2 during a 39 day test period.
Book Synopsis Installation Restoration Program Environmental Technology Development. Biodegradation of DIMP, Dieldrin, Isodrin, DBCP, and PCPMSO in Rocky Mountain Arsenal Soils by :
Download or read book Installation Restoration Program Environmental Technology Development. Biodegradation of DIMP, Dieldrin, Isodrin, DBCP, and PCPMSO in Rocky Mountain Arsenal Soils written by and published by . This book was released on 1989 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soils at the Rocky Mountain Arsenal (RMA) in Colorado have been contaminated with organic chemicals of environmental concern, including 1,2- dibromo-3-chloropropane (DBCP), diisopropylmethylphosphonate (DIMP), p- chlorophenylmethylsulfoxide (PCPMSO), dieldrin, and isodrin. The United States Army Toxic and Hazardous Materials Agency (USATHAMA) is investigating the ability of indigenous soil microorganisms to biodegrade these compounds to innocuous end products under RMA environmental conditions. The capability of microorganisms indigenous to RMA soils to degrade radiolabeled test compounds was evaluated. Complete degradation (mineralization) was determined by the production of 14CO2 from 14C-labeled test compounds.
Book Synopsis Biodegradation of DIMP, Dieldrin, Isodrin, DBCP, and PCPMSO in Rocky Mountain Arsenal Soils by : Roy F. Weston, inc
Download or read book Biodegradation of DIMP, Dieldrin, Isodrin, DBCP, and PCPMSO in Rocky Mountain Arsenal Soils written by Roy F. Weston, inc and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Toxicological Profile for Diisopropyl Methylphosphonate by :
Download or read book Toxicological Profile for Diisopropyl Methylphosphonate written by and published by . This book was released on 1996 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1992 with total page 1730 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Literature Review of Biodegradation in Soil of Selected Rocky Mountain Arsenal Contaminants: Isodrin, Dieldrin, Diisopropylmethyl-Phosphonate, 1.2-Dibromo-3-Chloropropane, and P-Chloro-Phenylmethylsulfoxide by :
Download or read book Literature Review of Biodegradation in Soil of Selected Rocky Mountain Arsenal Contaminants: Isodrin, Dieldrin, Diisopropylmethyl-Phosphonate, 1.2-Dibromo-3-Chloropropane, and P-Chloro-Phenylmethylsulfoxide written by and published by . This book was released on 1987 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soils and groundwater at the Rocky Mountain Arsenal (RMA), Colorado have been contaminated with a variety of organic chemicals. Among these chemicals are l,2-dibromo-3-chloro- propane (DBCP), diisopropylmethylphosphonate (DIMP), p-chloro- phenylmethylsulfoxide (PCPMSO), isodrin, and dieldrin. The U.S. Army Toxic and Hazardous Materials Agency (USATHAMA) is investigating the possibility that microorganisms in soil may transform these five compounds to intermediates or innocuous end products. WESTON is conducting a laboratory study to evaluate the biodegradability of these compounds in soil under RMA relevant conditions. As part of this study, WESTON is conducting a literature review to determine the current state of knowledge regarding these subject areas.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1992 with total page 1246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biodegradation and Bioremediation by : Martin Alexander
Download or read book Biodegradation and Bioremediation written by Martin Alexander and published by Gulf Professional Publishing. This book was released on 1999 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: Alexander presents the basic principles of biodegradation and how these principles relate to bioremediation. All the subject's microbiological, chemical, toxicological, environmental, engineering and technological aspects are covered.
Download or read book EPA-540/R. written by and published by . This book was released on 1992 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Defense Environmental Restoration Program : Annual Report to Congress by : United States. Dept. of Defense
Download or read book Defense Environmental Restoration Program : Annual Report to Congress written by United States. Dept. of Defense and published by . This book was released on 1992 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Improved Oil Recovery by Surfactant and Polymer Flooding by : D.O. Shah
Download or read book Improved Oil Recovery by Surfactant and Polymer Flooding written by D.O. Shah and published by Elsevier. This book was released on 2012-12-02 with total page 589 pages. Available in PDF, EPUB and Kindle. Book excerpt: Improved Oil Recovery by Surfactant and Polymer Flooding contains papers presented at the 1976 AIChE Symposium on Improved Oil Recovery by Surfactant and Polymer Flooding held in Kansas City. Organized into 18 chapters, the book includes papers that introduce petroleum reservoirs and discuss interfacial tension; molecular forces; molecular aspects of ultralow interfacial tension; the structure, formation, and phase inversion of microemulsions; and thermodynamics of micellization and related phenomena. Papers on adsorption phenomena at solid/liquid interfaces and reservoir rocks, as well as on flow through porous media studies on polymer solutions, microemulsions, and soluble oils are also provided. Significant topics on molecular, microscopic, and macroscopic aspects of oil displacement in porous media by surfactant and polymer solutions and related phenomena are also discussed. The literature cited in this book forms a comprehensive list of references in relation to improved oil recovery by surfactant and polymer flooding. This book will be useful to experts and non-experts in this field of research.
Download or read book EPA-540/5 written by and published by . This book was released on 1990 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Toxicological Profile for Mustard Gas by :
Download or read book Toxicological Profile for Mustard Gas written by and published by . This book was released on 1992 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NBC (nuclear, Biological and Chemical) Defense by : United States. Department of the Army
Download or read book NBC (nuclear, Biological and Chemical) Defense written by United States. Department of the Army and published by . This book was released on 1979 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Story of the First Gas Regiment by : James Thayer Addison
Download or read book The Story of the First Gas Regiment written by James Thayer Addison and published by . This book was released on 1919 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cholinesterases and Anticholinesterase Agents by : George B. Koelle
Download or read book Cholinesterases and Anticholinesterase Agents written by George B. Koelle and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 1228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although the anticholinesterase (anti-ChE) agents have only limited applica tions in therapy, and from the viewpoint of practical significance they are more appropriately classified as toxic compounds or insecticides than as drugs, in their capacity of pharmacological tools they have few equals. The concept of neuro humoral transmission was originally established largely from experiments in which physostigmine, or eserine, was employed to protect acetylcholine (ACh), the trans mitter of the cholinergic nerves, from rapid hydrolytic destruction by acetyl cholinesterase (AChE) and other cholinesterases (ChE's). Since then, a great num ber of additional reversible and irreversible anti-ChE agents also have been indis pensable in studies of synaptic and neuroeffector transmission, and of other physiological processes. At the same time, there is practically no other class of compounds for which a mechanism of pharmacological action can be described in such concrete biochemical and physiological terms. Consequently, it is not sur prising that a huge literature has developed on these several closely interdependent topics. The assembling anrl proper correlation of this material for the present volume has taken the collaborative efforts of over two dozen . investigators. It iR believed that their contributions to this end will prove invaluable to future in vestigators in providing a ready, inclusive source of established information, in defining areas where further studies are indicated, and in preventing unnecessary duplication of past work. How well these aims have been accomplished will be for time and the reader to judge.
Book Synopsis Sea-Dumped Chemical Weapons: Aspects, Problems and Solutions by : A.V. Kaffka
Download or read book Sea-Dumped Chemical Weapons: Aspects, Problems and Solutions written by A.V. Kaffka and published by Springer Science & Business Media. This book was released on 1996-06-30 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume summarises the materials presented at the NATO Advanced Research Workshop on Sea-Dumped Chemical Munitions, held in Kaliningrad (Moscow Region), Russia, in January 1995. The conference was sponsored by the NATO Division of Scientific and Environmental Affairs in the framework of its outreach programme to develop co-operation between NATO member countries and the Cooperation Partner countries in the area of disarmament technologies. The problem of the ecological threat posed by chemical weapons (CW) dumped in the seas after the Second World War deserves considerable international attention: the amount of these weapons, many of them having been captured from the German Army, is assessed at more than three times as much as the total chemical arsenals reported by the United States and Russia. They were disposed of in the shallow depths of North European seas - areas of active fishing - in close proximity to densely populated coastlines, with no consideration of the long-term consequences. The highly toxic material have time and again showed up, for instance when retrieved occasionally in the fishing nets, attracting local media coverage only. Nevertheless, this issue has not yet been given adequate and comprehensive scientific analysis, the sea-disposed munitions are not covered by either the Chemical Weapons Convention or other arms control treaties. In fact, the problem has been neglected for a long time on the international level. Only recently were official data made available by the countries which admitted conducting dumping operations.
