Geologic processes affecting the quality of the Upper Freeport coal bed, west-central Pennsylvania

1986 ◽  
Author(s):  
R.W. Stanton ◽  
C.B. Cecil ◽  
B.S. Pierce ◽  
L.F. Ruppert ◽  
F.T. Dulong
Keyword(s):  
Coal Bed ◽  
West Central ◽  
Central Pennsylvania ◽  
Geologic Processes

An unusual occurrence of arsenic-bearing pyrite in the Upper Freeport coal bed, west-central Pennsylvania

1992 ◽  
Vol 6 (2) ◽  
pp. 120-125 ◽  
Author(s):  
Leslie F. Ruppert ◽  
Jean A. Minkin ◽  
James J. McGee ◽  
C. Blaine Cecil
Keyword(s):  
Coal Bed ◽  
West Central ◽  
Central Pennsylvania ◽  
Unusual Occurrence

Facies development in the Lower Freeport coal bed, west-central Pennsylvania, U.S.A.

1991 ◽  
Vol 18 (1-2) ◽  
pp. 17-43 ◽  
Author(s):  
Brenda S. Pierce ◽  
Ronald W. Stanton ◽  
Cortland F. Eble
Keyword(s):  
Coal Bed ◽  
West Central ◽  
Central Pennsylvania

Isotopic evidence for the source of sulfur in the Upper Freeport coal bed (west-central Pennsylvania, U.S.A.)

1994 ◽  
Vol 114 (1-2) ◽  
pp. 115-130 ◽  
Author(s):  
Elliott C. Spiker ◽  
Brenda S. Pierce ◽  
Anne L. Bates ◽  
Ronald W. Stanton
Keyword(s):  
Coal Bed ◽  
Isotopic Evidence ◽  
West Central ◽  
Central Pennsylvania

scholarly journals Nitrate Pollution of Groundwater Based on GIS in the City of Daloa, West-central Cote d Ivoire

2019 ◽  
Vol 70 (7) ◽  
pp. 2579-2583 ◽  
Author(s):  
Sampah Georges Eblin ◽  
Kouakou Seraphin Konan ◽  
Oi Mangoua Jules Mangoua ◽  
Valentin Nedeff ◽  
Andrei Victor Sandu ◽  
...  
Keyword(s):  
Health Risk ◽  
Tap Water ◽  
Nitrate Pollution ◽  
Pollution Potential ◽  
Shallow Aquifers ◽  
West Central ◽  
Nitrate Concentrations ◽  
High Pollution ◽  
The City

Doubt about the quality of tap water, due to its color, taste and unpleasant odors, forces a large part of the population of the city of Daloa (west-central of Cote d�Ivoire) to turn to spring and traditional wells waters whose quality is unknown. This study aims to assess the level of nitrate pollution of these shallow aquifers through 29 points including 9 spring and 20 traditional wells spread all over the city. Nitrate concentrations range from 2.5 mg/L to 301.1 mg/L, with 30% of the wells containing an excess of nitrate, beyond the WHO drinking standard (50 mg/L). The map of levels of nitrate concentrations in the city�s wells and springs shows the exposure of the populations of the old downtown neighborhoods to a high health risk due to the high pollution potential of nitrate in the water.

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