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RECORD NUMBER: 42 OF 86

OLS Field Name OLS Field Data
Main Title Mineralogical study of borehole MW-206 Asarco Smelter Site Tacoma, Washington
Author Frank, D.
CORP Author Environmental Protection Agency, Seattle, WA. Region X.
Publisher U.S. Environmental Protection Agency, Office of Environmental Assessment,
Year Published 1998
Report Number PB99-112138 ; EPA 910-R-98-009
Stock Number PB99-112138
OCLC Number 40598136
Subjects Groundwater--Sampling
Additional Subjects Smelters ; Slags ; Geochemistry ; Boreholes ; Aquifers ; Mineralization ; Chemical analysis ; X-ray diffraction ; Scanning electron microscopy ; Optical microscopy ; Arsenates ; Iron oxides ; Mobility ; Remedial action ; Tacoma(Washington) ; Fierce County(Washington) ; Ferrihydrite ; Alarsite
Internet Access
Description Access URL
http://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=P100FG2N.PDF
Holdings
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Status
ESAD  EPA 910-R-98-009 3 copies Region 10 Library/Seattle,WA 06/13/2016
NTIS  PB99-112138 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 01/01/1988
Collation v, 146 p. : ill. ; 28 cm.
Abstract
The mobility of metals in ground water is an important consideration for evaluating remedial options at the Asarco smelter site. Tacoma, Washington. One factor in assessing metal mobility is the degree of secondary mineralization in a slag-fill aquifer extending into the intertidal zone along the Puget Sound shoreline. Samples of aquifer material were collected for mineralogical analysis from borehole MW-206 at five-foot intervals within the slag fill from 5 to 25 feet below the ground surface, and in the underlying marine sand and gravel at 27 feet. Grab samples of slag fragments with visually apparent secondary minerals were also collected at five intermediate depths between 12 and 19 feet. Samples were analyzed by a variety of of techniques including hydride generation/atomic absorption for arsenic concentration, scanning electron microscopy/electron microprobe for mineralogical texture and microanalysis, powder x-ray diffraction for mineral identification, and optical microscopy for textural observations.
Notes
"EPA 910-R-98-009." "October 1, 1998." Bibliographic references included.