Hospital wastewater may contain various potentially-hazardous components including, microbiological pathogens, chemical compounds, disinfectants, pharmaceuticals and radioactive isotopes. In the present study, Salmonella typhimurium strains TA 100 and TA 102 were analyzed for their mutagenicity to hospital waste waters. The results of the study showed that hospital waste waters consists of mutagens causing frame shift mutations and base pair substitutions and amongst the two advanced strains of salmonella typhimurium, TA 102 was most effective and one of the standard screening strains for detecting mutagenic agents which along with TA 100 can be used for quick assessment of genotoxicity of hospital waste waters prior to its discharge. Mutagenicity evaluation of hospital waste waters from three major hospitals located in Jaipur was studied. Such waste waters should be treated properly before releasing into the environmental water bodies. The results of this study call for further detailed research in this area.
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