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

Meeker, G. P.; Lowers, H. A.; Swayze, G. A.; Van Gosen, B. S.; Sutley, S. J.; Brownfield, I. K.

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).

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USGS Numbered Series

ProdID:

79496

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Meeker, G. P.; Lowers, H. A.; Swayze, G. A.; Van Gosen, B. S.; Sutley, S. J.; Brownfield, I. K.

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ENGLISH

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vii, 47 p.; 4 appendices

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Prepared for U.S. Environmental Protection Agency Region 9 IAG DW1492190501-2

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Open-File Report

Citation Series Code:

OFR

Citation Series Number:

2006-1362

Citation Search Results Text:

Mineralogy and Morphology of Amphiboles Observed in Soils and Rocks in El Dorado Hills, California; 2006; OFR; 2006-1362; Meeker, G. P.; Lowers, H. A.; Swayze, G. A.; Van Gosen, B. S.; Sutley, S. J.; Brownfield, I. K.