INCREASING TREND OF NITRATE CONTAMINATION OF TEHRAN SOUTHWEST GROUNDWATER AQUIFER OF IRAN
To assess the pollution trend of southwest ground water aquifer of Tehran by nitrite and nitrate, in February 1999, out of 300 wells within this area, 99 wells were selected according to simple random sampling without replacement, analysed by colorimetric and ultraviolet spectrophotometric screening...
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Tehran University of Medical Sciences,
2000-08-01T00:00:00Z.
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