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Environmental Awareness Library Collection (15,478 Books)


An essential e-document collection of reports and research about our environment. This collection contains many of the primary EPA source reports that the scientific community uses to base its findings.

 
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Ysleta Del sur Pueblo

By: Environmental Protection Agency

Excerpt: Unclassifiable Designation Recommendation for PM2.5 Standard.

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United States Environmental Protection Agency Region 8 Series

By: Richard E. Greene

Excerpt: Thank you for your letter of March 16,2004, forwarding the Ysleta del sur Pueblo's recommendations on air quality designations for the particulate 2.5 (PM 2.5) National Ambient Air Quality Standard.

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United States Environmental Protection Agency Region 8 Series

By: Richard E. Greene

Excerpt: Fine-particle pollution represents one of the most significant barriers to clean air facing our nation today.

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Public Health and Environmental Radiation Protection Standards for...

By: Environmental Protection Agency

Excerpt: We, the Environmental Protection Agency (EPA), are promulgating public health and safety standards for radioactive material stored or disposed of in the potential repository at Yucca Mountain, Nevada. Section 801 of the Energy Policy Act of 1992 (EnPA, Public Law No. 102-486) directs us to develop these standards. Section 801 of the EnPA also requires us to contract with the National Academy of Sciences (NAS) to conduct a study to provide findings and recommenda...

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A Reporter's Guide to Yucca Mountain

By: Environmental Protection Agency

Excerpt: This guidebook was produced with funds from the U.S. Environmental Protection Agency under grant number 827378-01. The contents of this document do not necessarily reflect the Agency’s views or policies. This guidebook was produced with support also from the Environmental Health Center’s parent organization, the National Safety Council, a not-for-profit, nongovernmental public service organization.

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United States Environmental Protection Agency Region 8 Series

By: David P. Howekamp

Excerpt: On March 2, the United States Court of Appeals for the District of Columbia Circuit issued a decision on the 1997 transportation conformity amendments.

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Reregistration Eligibility Document

By: Environmental Protection Agency

Excerpt: Environmental Protection Agency office of pesticide prgrams special review and reregistration division washingot, D.C.

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The Practical Application of Bioremediation Techniques as a Remova...

By: Vincent E. Zenone Osc

Excerpt: Background: Since the 1970's, oil contaminated soil and debris generated during federal removal response activities at oil spills in northwestern Pennsylvania was disposed of off-site, generally transported to a landfill. In the mid-1980's, local industry representatives vigorously debated the need for such off-site disposal, reasoning that if the oil-contaminated soil had not naturally attenuated or biodegraded, then the entire area would be covered with oil fr...

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Bioremediation as a Removal Response Action at Opa Sites

By: Vincent E. Zenone Osc

Excerpt: EPA recommends the natural attenuation processes be evaluated when assembling an appropriate removal action plan for a site with petroleum contaminated soils. While natural attenuation processes include biodegradation, sorption, dispersion, and volatilization, numerous studies have indicated that the natural, in-situ biodegradation process, often called intrinsic bioremediation, is a primary mechanism for the attenuation of petroleum hydrocarbons. Biodegradation...

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Uv Exposure of Coral Assemblages in the Florida Keys

By: Richard G. Zepp

Excerpt: Foreword: The overall degradation of coral reefs, measured by declining coral abundance and species diversity as well as increases in macroalgae and reef skeletal erosion, has been documented in the Florida Keys and elsewhere around the world. A widely-recognized aspect of the deterioration of coral reefs is the phenomenon of coral bleaching. Coral bleaching may be the symptom of coral reef degradation that is most closely linked to climate change. Records of co...

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The Lba Project : Nutrient Cycles and Trace Gas Exchange in the Ce...

By: Richard G. Zepp

Excerpt: The Cerrado of central Brazil is one of the largest savannah regions on earth. The ?stressors? affecting ecosystems in this region, including deforestation, fire, soil degradation, unwise agricultural practices, climate change, and urbanization, are all experienced in many U. S. ecosystems. Intense agricultural activities, such as land clearing for soybean cultivation and cattle farming, are rapidly changing the Cerrado. U.S. Environmental Protection Agency (U.S...

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Factors Affecting Colored Dissolved Organic Matter in Aquatic Envi...

By: Richard G. Zepp

Excerpt: The sunlight-absorbing (colored) component of dissolved organic matter (CDOM) in aquatic environments is widely distributed in freshwaters and coastal region, where it influences the fate and transport of toxic organic substances and biologically important metals such as mercury, iron, and copper. CDOM also has significant effects on underwater visibility and ultraviolet radiation, and it is an important component of remotely sensed ocean color. In this research...

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The Lba Project : Nutrient Cycles and Trace Gas Exchange in the Ce...

By: Richard G. Zepp

Excerpt: A team of U.S. Envronmental Protection AgencyU.S. EPA) and Universdade de a (UnB) ecologists is part of the Large Scale Biosphere?Atmosphere Experiment in Amazona (LBA). The LBA proect was created through an international cooperative agreement and includes participants from Brazil, other Amazonan countries, the U.S., and European nations. The LBA participants have conducted research at the atmospheric and soil levels at locatons dstributed throughout the Amazoni...

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Factors Affecting Colored Dissolved Organic Matter in Aquatic Envi...

By: Richard G. Zepp

Excerpt: The sunlight-absorbing (colored) component of dissolved organic matter (CDOM) in aquatic environments is widely distributed in freshwaters and coastal regions (Figure 1), where it influences the fate and transport of toxic organic substances and biologically important metals such as mercury, iron, Rate, moles L-1 day-1 and copper. CDOM also has significant effects on underwater visibility and ultraviolet radiation, and it is an important component of remotely se...

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Elevated Temperature and Uv Light Affect Condition of Reef-Buildin...

By: William Fisher

Excerpt: Corals Decline WorldwideCorals Decline WorldwideCollaboratorsCollaboratorsMultiple stressors from global atmospheric and land use changes create adverse conditions for corals and coral reef communities. Florida Keys corals suffer from bleaching and several emerging diseases.

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Development of a Systematic Approach to Accurately Measure T Race ...

By: John H. Zimmerman

Excerpt: The development of a single EPA method capable of accurately measuring trace volatile organic compounds (VOCs), water-soluble VOCs, and semi-volatile organic compounds (SVOCs) is important for accurate and rapid risk assessment at Superfund, Resource Conservation and Recovery Act (RCRA), and Brownfields site redevelopment programs as well as ongoing state site remediation projects.

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Development of a Systematic Approach to Accurately Measure Trace L...

By: John H. Zimmerman

Excerpt: Risk assessment is a crucial component of the site remediation decision-making process. Some current U.S. Environmental Protection Agency (U.S. EPA) methods do not have detection limits low enough for risk assessment of many volatile organic compounds (VOCs) (e.g., U.S. EPA Region 3 Risk-Based Concentration levels, U.S. EPA Region 9 Preliminary Remediation Goals, state-specified concentration levels). The magnitude of this problem was described in a paper recent...

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Epa Map of Radon Zones

By: Environmental Protection Agency

Excerpt: Zone designation for puerid Rico is under development

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Epa Map of Radon Zones

By: Environmental Protection Agency

Excerpt: Zone designation for puerid Rico is under development

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