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Results 1 - 10 of 74 for calcite within all areas of the EPA. Only web pages are included. Search all document formats.

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PAGE TITLE11-01-2006

The lower reactivity of iron oxyhydroxysulfates with calcite, the increased buffering capacity provided by bicarbonate ions, and the incomplete dissolution of calcite produced this more desirable pH ...

http://www.epa.gov/aml/tech/news/qlime.htm (HTML)

2004 Annual Report | Contaminant Release During Removal and Resuspension01-12-2009

Significant release of metals is observed without the addition of calcite but little to no release is seen after the addition of calcite ...

http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)

2002 Annual Report | Contaminant Release During Removal and Resuspension03-17-2003

... a Trepengier Sediment Resuspension Experiment With 12 Percent (w/w) Calcite Added Versus the Control Trepengier Resuspension Experiment Where No Calcite Was Added ...

http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)

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Release 3: AQUATOX | Water Quality Models and Tools | US EPA01-06-2010

... photosynthesis. Calcite precipitation and removal of phosphorus under alkaline conditions. Capability to simulate biological effects of suspended and bedded sediments.

http://www.epa.gov/waterscience/models/aquatox/new.html (HTML)

Lead in Your Drinking Water - Fact Sheet - Archive | Lead In Drinking Water Home | Safewater | US EPA06-24-2009

Corrosion control devices for individual households include calcite filters and other devices. Calcite filters should be installed in the line between the water ...

http://www.epa.gov/safewater/lead/lead1.html (HTML)

Lead in Your Drinking Water - Fact Sheet - Archive | Lead In Drinking Water Home | Safewater | US EPA06-24-2009

Corrosion control devices for individual households include calcite filters and other devices. Calcite filters should be installed in the line between the water ...

http://www.epa.gov/safewater/Pubs/lead1.html (HTML)

Lead in Your Drinking Water - Fact Sheet - Archive | Lead In Drinking Water Home | Safewater | US EPA06-24-2009

Corrosion control devices for individual households include calcite filters and other devices. Calcite filters should be installed in the line between the water ...

http://www.epa.gov/safewater/pubs/lead1.html (HTML)

Conceptual Process Model for Basin - Type Wetlands of the Prairie Pothole Region10-13-2008

"Detailed, qualitative portrayal of the known linkages among ecosystem processes and variables in prairie depressional wetlands."

http://www.epa.gov/owow/wetlands/wqual/pphmodel.html (HTML)

Report EPA/600/R05/121 | Ground Water and Ecosystems Restoration Research | US EPA12-04-2009

TEM micrographs of soft calcite surface precipitate samples from one microfracture revealed more diverse prokaryotic morphologies (e.g., spirilla, stalked ...

http://www.epa.gov/ada/pubs/reports/600R05121.html (HTML)

What does AQUATOX do?11-06-2009

... anaerobic sediments. Calcite precipitation and removal of phosphorus under alkaline conditions. Partitioning of organic toxicants to water, biota and sediments.

http://www.epa.gov/waterscience/models/aquatox/whatdoes.html (HTML)

Environmental Websites Search| US EPA10-08-2009

... is well known for its outstanding display of boxwork, an unusual cave formation composed of thin calcite fins resembling honeycombs.

http://yosemite.epa.gov/water/surfnote.nsf/FTsearchForm?readform%26Lim... (HTML)

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