Water availability and geology of Sumter County, Alabama

Davis, Marvin E.; Sanford, Thomas; Jefferson, Patrick O.

doi:10.3133/ofr75459

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“…The portion of the formation near Emelle, AL is characterized by considerable artesian activity. Selma chalk near Emelle overlies the Eutaw aquifer, the major source of fresh groundwater for west-central Alabama [9], [10], [11]. In addition to the existing Emelle repository, similar hazardous waste repositories at other locations in the Selma chalk have been proposed.…”

Section: Introduction Selma Chalk As a Repository For Hazardous Wastementioning

confidence: 98%

Laboratory Measurement of the Permeability of Selma Chalk Using an Improved Experimental Technique

Sadler¹,

Rahnama²,

Whittle³

1992

Hazardous Waste and Hazardous Materials

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The permeabilities to water of 12 monolithic specimens of Selma chalk were determined in the laboratory using an apparatus featuring a micro-syringe pump which could be operated in either the controlled flow or controlled output pressure mode. Specimens 0.4 in. dia. x 2 in. long were diamond-core drilled from large blocks of Selma chalk obtained from a surface mine at Epes, AL. The mean pore radius of the chalk was found to be about 0.15 urn, and the specific surface was 13.9 m2/g. The specimens were mounted with epoxy in thick-walled cylindrical specimen holders under vacuum to assure that the epoxy penetrated a short distance into the specimens to prevent the possibility of liquid bypassing. Permeability values were found to range from 3.47 x 10"8 to 1.68x 10'7 cm/s -within the range of values reported by other investigators. There was some indication that the permeability in the direction parallel to the chalk bedding plane was greater than that in the direction perpendicular to it. This work represents the only study published in the open literature in which measured values of permeabilities of monolithic Selma chalk specimens to water are reported.

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Section: Introduction Selma Chalk As a Repository For Hazardous Wastementioning

confidence: 98%

Laboratory Measurement of the Permeability of Selma Chalk Using an Improved Experimental Technique

Sadler¹,

Rahnama²,

Whittle³

1992

Hazardous Waste and Hazardous Materials

View full text Add to dashboard Cite

show abstract

Water availability and geology of Sumter County, Alabama

Abstract: Water use in Suniter County in 1968 wsfs about 1. 7 mgd, most of \ '"-"' ^ UP. ( -\\ \ " » VU/, }} ŵhich

Cited by 1 publication

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Laboratory Measurement of the Permeability of Selma Chalk Using an Improved Experimental Technique

Laboratory Measurement of the Permeability of Selma Chalk Using an Improved Experimental Technique

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