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- Final Report | A Novel Approach To Prevention of Acid Rock Drainage (ARD)05-13-2003
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- ... oxidation, accelerated by the activities of iron- and sulfur-oxidizing acidophilic microorganisms, produces acidic drainage containing heavy metals... chose thiocyanate because it is highly and selectively inhibitory toward acidophilic microorganisms at low concentrations, relatively inexpensive, relatively stable in acidic ...
- EPA Exposure Research - Diatom Indices of Stream Ecosystem Conditions: Comparison of Genus Vs. Species Level Identifications10-22-2007
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- ... relative abundance (PRA) of the dominant diatom taxa, PRA of acidophilic diatoms, PRA of eutrophic diatoms, and PRA of motile diatoms.
- Final Report | A Novel Approach to Prevention of Acid Rock Drainage (ARD)
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- The agent is a potent inhibitor of acidophilic (acid-loving) pyrite-oxidizing bacteria that play a major role ... agent at low concentrations is a highly specific inhibitor of acidophilic bacteria, but has low toxicity to other forms of life.
- Final Report | Patterns and Prediction: Molecular Analyses of PAH-Degrading Microbial Populations and Their Function in Real Contaminant Mixture Environment04-10-2007
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- ... revealed that the majority of sequences were related to heterotrophic acidophilic bacteria in Acetobacteraceae... hexadecane to 14CO2, which was accompanied by detection of heterotrophic acidophile-related populations being dominant in the amendments.
- Sulfide Mineral Coating Process To Control Acid Rock Drainage06-09-2004
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- ... use of thiocyanate, which is highly and selectively inhibitory to acidophilic microorganisms that catalyze ARD formation... Acidophilic microorganisms, biooxidation, tailings, mine sites, phosphate rock, sulfidic rock.
- Final Report | Sulfide Mineral Coating Process To Control Acid Rock Drainage01-21-2004
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- ... in some mineral processing solutions, that is selectively toxic toward acidophilic bacteria that accelerate formation of ARD... wastes, phosphates, phosphate rock, thiocyanate, acidic effluents, tailings, waste rock, acidophilic bacteria, triphosphate, sulfidic ore, dicalcium phosphate, small business, SBIR.
- A Novel Approach to Prevention of Acid Rock Drainage (ARD)
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- The agent in low concentrations is a potent toxicant to acidophilic pyrite-oxidizing bacteria... toxicity of the agent appears to be specific to the acidophiles; it has low toxicity to other forms of life.
- A Novel Approach to Prevention of Acid Rock Drainage
- "Information about a project concerning a novel approach to preventing acid rock drainage."
- Final Report | Physiochemical and Microbial Controls on the Speciation and Release of Arsenic into Ground and Surface Waters
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- Consequently, we have characterized the tolerance of the dominant acidophile at our study site, F... An archaeal iron-oxidizing extreme acidophile important in acid mine drainage.
- Chlordane (Technical) (CASRN 12789-03-6) | IRIS | US EPA01-28-2010
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- This IRIS health assessment for Chlordane (Technical) consists of hazard identification and dose-response assessment data which provides support for EPA risk management decisions.