Use of Salmonella / microsome reversion bioassay for monitoring industrial wastewater treatment plants in Rajasthan, India.
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Date
2012-05
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Abstract
Salmonella / microsome reversion assay was used as a biological parameter for monitoring the toxicity
of common effluent treatment plant (CETP), Mandia road industrial area, Pali catering to textile industrial
areas in Pali, Rajasthan.The influent and effluent water of CETP, surface water (Bandi river) and underground
water were tested using Ames bioassay. The results showed presence of mutagens in surface
water of Bandi river and the underground water in Pali. Further, comparison of mutagenicity of CETP
influent and effluent water revealed that the treatment method employed at this plant has failed to remove
mutagenic substances present in Pali textile wastewater. The study also showed that Ames assay is an
important tool in genotoxic studies because of its simplicity, sensitivity to genetic damage, speed, low cost
of experimentation and small amount of sample required. Further Ames assay, as seen from the results of
this study, can be used as a monitoring tool for not only CETPs but also for other water resources. The
outcomes of the Ames assay demonstrated its performance as a sensitive, cost-effective and relatively
rapid screening tool to assess the genotoxic potential of complex environmental samples.
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Keywords
Common effluent treatment plant, Salmonella / microsome reversion assay, Textile effluents, Mutagenicity
Citation
Mathur Nupur, Bhatnagar Pradeep, Bakre Prakash. Use of Salmonella / microsome reversion bioassay for monitoring industrial wastewater treatment plants in Rajasthan, India. Journal of Environmental Biology. 2012 May; 33(3): 531-537.