An assessment of the potential adverse properties of fluorescent tracer dyes used for groundwater tracing

Citation

Material Information

Title:
An assessment of the potential adverse properties of fluorescent tracer dyes used for groundwater tracing
Series Title:
Environmental Monitoring and Assessment
Creator:
S. Field, Malcolm
G. Wilhelm, Ronald
F. Quinlan, James
J. Aley, Thomas
Publication Date:
Language:
English

Subjects

Subjects / Keywords:
Rhodamine ( local )
Diphenyl ( local )
Flavine ( local )
Groundwater Withdrawal ( local )
Analogous Substance ( local )
Genre:
serial ( sobekcm )

Notes

Abstract:
The potential ecotoxicity of fluorescent dyes used in tracing, and their possible effects on human health, were evaluated by reviewing available toxicological information for 12 dyes — fluorescein, Lissamine Flavine FF, Rhodamine WT, Rhodamine B, Sulpho Rhodamine G, Sulpho Rhodamine B, eosin, pyranine, Phorwite BBH Pure, Tinopal 5BM GX, Tinopal CBS-X, and Diphenyl Brilliant Flavine 7GFF — and a dye-intermediate, amino G acid. This evaluation used available toxicological information, test data on analogous substances, and mathematical expressions for biological activity. Based on set criteria for human health and acute ecotoxicity, the evaluation indicated that these tracers have low to moderate levels of concern. The use of these tracers for the study of groundwater flow is appropriate if consideration is given to the overall human health and environmental effects. Their use in the environment requires tracer concentrations not exceeding 1–2 mg 1−1 persisting for a period in excess of 24 h in the groundwater at the point of groundwater withdrawal or discharge. A simple calculated potential dose was used in a comparison of the estimated acute toxicity of Rhodamine WT in rats to the known acute oral toxic dose in humans for several known acutely toxic chemicals. This comparison showed that none of the fluorescent dyes evaluated would present an acutely toxic threat at or substantially above the recommended 2 mg 1−1 concentration.
Original Version:
Environmental Monitoring and Assessment, Vol. 38 (1995-10-01).

Record Information

Source Institution:
University of South Florida Library
Holding Location:
University of South Florida
Rights Management:
This object is protected by copyright, and is made available here for research and educational purposes. Permission to reuse, publish, or reproduce the object beyond the bounds of Fair Use or other exemptions to copyright law must be obtained from the copyright holder.

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