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Results 1 - 10 from 112 for elevated concentrations in 0.246 sec.
MDAG Case Study 5
For instance, 90% of elevated off-site concentrations may originate from only one component, while all other components contribute the ... There is one study that suggested the road around a tailings impoundment accounted for elevated concentrations within the impoundment. This highlights the importance of identifying and studying all components ...
www.mdag.com
Interactions between Offshore Oil and Gas Operations and the Marine Environment
Produced water may contain elevated concentrations of metals, nutrients, radionuclides, hydrocarbons, and trace amounts of chemical agents. ... technologies has revealed that elevated concentrations of drilling wastes occasionally exist on and above the seafloor around drilling platforms. However, elevated concentrations appear to be transient ( ...
www.offshore-environment.com
Water Quality: Nutrients and Pesticides
Concentrations of nutrients and pesticides are highest during runoff following chemical applications. The seasonal nature of these factors dictate the timing of elevated concentrations in drinking-water ... found at elevated levels in fish and streambed sediment in many urban and agricultural streams across the Nation. Historical data also show that total nitrogen concentrations have ...
www.policyalmanac.org
Jasna's Research
Release Introduction The waters associated with mines and mining waste are highly acidic and contain elevated concentrations of metals such as: Zn, Cu, Pb, Cd, Cr, Ni, and As. In order to ... release of metals such as Cd, Co, Zn, Cu and Pb; and also causing higher concentrations of Na, K and Zn in the column effluent. Selected References Jurjovec, J., Blowes, D ...
www.science.uwaterloo.ca
The Great Plains/Rocky Mountain HSRC - Chelating Extraction of Heavy Metals from Contaminated Soils
They are present at elevated concentrations at many National Prio rity List sites, are toxic to people, and threaten ground water ...
www.engg.ksu.edu
Organic Gases (Volatile Organic Compounds - VOCs) | An Introduction to Indoor Air Quality | Indoor Air | Air | US EPA
Concentrations of many VOCs are consistently higher indoors (up to ten times higher) than outdoors. ... containing organic chemicals, they can expose themselves and others to very high pollutant levels, and elevated concentrations can persist in the air long after the activity is completed. For more information, ...
epa.gov
Asbestos | Basic Information | Indoor Air | Air | US EPA
Elevated concentrations of airborne asbestos can occur after asbestos-containing materials are disturbed by cutting ... after exposure began. Most people with asbestos-related diseases were exposed to elevated concentrations on the job; some developed disease from exposure to clothing and equipment ...
epa.gov
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Green Environment inc.
County Department of Environmental Health. Managed onsite stabilization and reuse of soil found to contain elevated concentrations of lead, with oversight and approval of the DTSC. Home | About | Partnership | Environmental Site Assessments ...
greenenvironment.com
Air Pollution
In particular, nitrogen deposition and elevated concentrations of ground-level ozone are priority concerns. The ...
www.jncc.gov.uk
CHAMP - Coral Disease Identification and Information - NOAA's Coral Health and Monitoring Program
Kuta and Richardson (in press) found that black band disease incidence was correlated with elevated concentrations of nitrite (and lower concentrations of soluble ...
www.coral.noaa.gov
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