Abstract
Lead concentrations in water and sediment samples near a stationary metal emission source were determined using the lead ion-selective electrode. These results were then verified by use of atomic absorption spectrophotometric methods. Samples were collected at three strategic sites near a local lead company in Southeast Houston, Texas. Accumulated rain water and sediment (soil deep down core) were analyzed in order to estimate lead concentration as a function of depth. Data indicate that the level of lead concentrations in both surface water and water extracted from the sediments exceed the limits for drinking water as established by the Environmental Protection Agency. The lead concentrations of the soil samples were higher in most cases when compared with various soils in the United States. The highest concentrations of lead were found in surface water samples.
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