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	1.	No cover image available No cover image available No cover image available Ecological risk assessment by Suter, Glenn W [Author] Material type: Text; Format: print ; Literary form: Not fiction Publication details: Boca Raton : Lewis Publishers 1993 Availability: Items available for loan: Directorate of Library Services (UDSM) (2)Collection, call number: Science and Engineering Collection QH541.15.R57E25, ... Place hold Add to cart (remove)
	2.	No cover image available No cover image available No cover image available Impact assessment of hazardous aquatic contaminants :concepts and approaches by Salem S Rao [Author] Material type: Text Publication details: Boca Raton; Lewis Publishers, 1999 Availability: Items available for loan: Directorate of Library Services (UDSM) (2)Collection, call number: School of aquatic sciences and fisheries technology DASF QH545.W6I46, ... Place hold Add to cart (remove)
	3.	Human and ecological risk assessment theory and practice by Paustenbach, Dennis J [Author] Material type: Text Publication details: New York. : John &Wiley. 2002 Availability: Items available for loan: Directorate of Library Services (UDSM) (1)Collection, call number: School of aquatic sciences and fisheries technology DASF RA427.3.H854. Place hold Add to cart (remove)
	4.	No cover image available No cover image available No cover image available Economic and ecological risk assessment: applications to watershed management by Brains, Randall J. F [Author] Material type: Text Publication details: London. : Blackwell. 2004 Availability: Items available for loan: Directorate of Library Services (UDSM) (1)Collection, call number: School of aquatic sciences and fisheries technology DASF QH353.B8 . Place hold Add to cart (remove)