Mineralogy and Morphology of Amphiboles Observed in Soils and Rocks in El Dorado Hills, California

Open-File Report 2006-1362
Prepared for U.S. Environmental Protection Agency Region 9 IAG DW1492190501-2
By: , and 

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Abstract

From the Executive Summary: At the request of the U.S. Environmental Protection Agency (USEPA), the U.S. Geological Survey (USGS) has conducted an independent study of amphiboles in rocks and soils in the El Dorado Hills, California, area. The purpose of this study is to investigate specific issues regarding the presence of 'naturally occurring asbestos' raised by an USEPA activity-based sampling study and subsequent criticisms of that study outlined in a review prepared by The R.J. Lee Group (RJLG).

Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title Mineralogy and Morphology of Amphiboles Observed in Soils and Rocks in El Dorado Hills, California
Series title Open-File Report
Series number 2006-1362
DOI 10.3133/ofr20061362
Edition -
Year Published 2006
Language ENGLISH
Description vii, 47 p.; 4 appendices
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