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- Hysteretic Accumulation and Release of Nanomaterials in the Vadose Zone08-18-2005
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- ... provide indications about the classes of nanomaterials most likely to accumulate in the vadose zone, the roles of mineral surfaces, air/water interfacial areas, and wetting/drying history on accumulation ...
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- 2007 Annual Report | Hysteretic Accumulation and Release of Nanomaterials in the Vadose Zone01-28-2008
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- Nanomaterials can enter the vadose zone through infiltration of atmospheric dispersions, or from groundwater contaminated by ... of the materials and interactions with critical interfaces, the vadose zone may either provide a sink for nanomaterials, preventing their spread ...
- Mixing Zone Ban Fact Sheet | GLI Clearinghouse | US EPA02-23-2009
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- This action prohibits new discharges of toxic chemicals into mixing zones and phases out the use of existing mixing zones in the Great Lakes over the next ten years ...
- Coastal Zones and Sea Level Rise - Rising Seas - Text Version | Climate Change - Health and Environmental Effects | U.S. EPA10-19-2006
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- FIGURE 5 GOES HERE] Maryland's current coastal zone and environmental protection policies, statutes, and regulations would ensure almost ... coastal zone will only be a few million dollars greater than the ...
- Final Water Quality Guidance for the Great Lakes System05-07-2008
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- ... will target especially the types of long-lasting pollutants that accumulate in the food web of large lakes... prevention analysis and activities in the level of detection, mixing zone, and antidegradation sections of the final Guidance.
- Waste | Region 2 | US EPA10-20-2009
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- Accumulated sludge was periodically removed from the lagoon and disposed off ... not readily dissolve in water and is heavier than water) accumulation zones in the shallow aquifer and there is a low potential ...
- Fact Sheet: Final Regulation to Ban Mixing Zones in the Great Lakes11-04-2009
- "EPA is taking final action to ban the use of mixing zones that dilute toxic chemicals discharged into the Great Lakes system."
- Chapter 5: General Policies - Water Quality Handbook08-04-2008
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- or using models of toxicant accumulation and action in organisms (such as described by Mancini, 1983 ... mortality should be taken into account before judging the mixing zone concentrations to be safe.
- Summary of Criminal Prosecutions09-11-2007
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- Jump to main content. Criminal Enforcement Recent Additions | Contact Us Search: All EPA Compliance and Enforcement You are here: EPA Home Compliance & Enforcement Enforcement Criminal Enforcement Information Resources Summary of Criminal Prosecutions Summary of Criminal Prosecutions Search Criminal Prosecution Results - 9480 records found FISCAL YEAR: 2009 REGION: 2 1.
- Lead, Aquatic Life | Water Quality Criteria | US EPA05-19-2009
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- Effects of acidification on metal accumulation by aquatic plants and invertebrates... Effects of acidification on metal accumulation by aquatic plants and invertebrates.
- Great Lakes Coastal Wetlands: Abiotic & Floristic Characterization03-09-2006
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- Characteristic vegetation includes northern poor fen in the herbaceous zone grading into poor shrub fen at the inland wetland periphery; the poor fen is typically the most extensive zone within Lake Superior wetlands ...