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Evaluation of Graphite for Environmental Toxicity Using the Standard Aquatic Microcosm
Wayne G. Landis, Nancy A. Chester, Mark V. Haley, Dennis W. Johnson, Renee M. Tauber
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Abstract
The impact of a graphite dust on an aquatic ecosystem model, the Standard Aquatic microcosm (SAM), was investigated. Graphite dust produced effects that resembled eutrophication in that a diversity decreased, ammonia increased, and a photosynthesis/respiration ratio of less than one was observed in the highest concentration. Compared to brass dust, graphite has much less potential to adversely impact aquatic ecosystems.