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	1.	No cover image available Ambient water quality criteria for nitrosamines / United States Enviromental Protection Agency by United States. Environmental Protection Agency Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington, D.C. : Environmental Protection Agency, 1980 Availability: Items available for loan: National Library of India (1)Call number: U.S 553.64097887 Un 3. Place hold Request article Save to lists
	2.	No cover image available Removal of nitrate by an algal system : phase II / United States Environmental Protection Agency by United States. Environmental Protection Agency Series: Water pollution control research series ; 7-13 Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington : Environmental Protection Agency, 1971 Availability: Items available for loan: National Library of India (1)Call number: U.S 553.64097887 Un 3. Place hold Request article Save to lists
	3.	No cover image available Removal of nitrate by an algal system : phase II / United States Environmental Protection Agency by United States. Environmental Protection Agency Series: Water pollution control research series ; 7-13 Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington : Environmental Protection Agency, 1971 Availability: Items available for loan: National Library of India (1)Call number: U.S 553.64097887 Un 3. Place hold Request article Save to lists
	4.	No cover image available Geology and origin of the Chilean nitrate deposits / by George E. Ericksen ; prepared in cooperation with the Instituto de Investigaciones Geologicas de Chile by Ericksen, George Edward Instituto de Investigaciones Geologicas (Chile) United States. Department of Interior Series: Geological Survey professional paper ; no. 1188 Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington, D.C. : United States Department of Interior, 1981 Availability: Items available for loan: National Library of India (1)Call number: U.S 553.640983 Er 44. Place hold Request article Save to lists
	5.	No cover image available Geology and origin of the Chilean nitrate deposits / by George E. Ericksen ; prepared in cooperation with the Instituto de Investigaciones Geologicas de Chile by Ericksen, George Edward Instituto de Investigaciones Geologicas (Chile) United States Dept. of Interior Series: Geological Survey professional paper ; no. 1188 Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington, D.C. : United States Department of Interior, 1981 Availability: Items available for loan: National Library of India (1)Call number: U.S 553.640983 Er 44. Place hold Request article Save to lists
	6.	No cover image available Basic salinogen ion-exchange resins for selective nitrate removal from potable and effluent waters / by A. L. Walitt [and] H. L. Jones by Walitt, A. L. (Arthur Leonard), 1937- Jones, H. L. (Harold Lloyd), 1938- [jt. aut] United States. Federal Water Quality Administration Tyco Laboratories Series: Water pollution control research series Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington : U.S. Government Printing Office, 1969 Availability: Items available for loan: National Library of India (1)Call number: U.S 553.64097887 W 149. Place hold Request article Save to lists
	7.	No cover image available Geology and origin of the Chilean nitrate deposits / by George E. Ericksen ; prepared in cooperation with the Instituto de Investigaciones Geologicas de Chile by Ericksen, George Edward Instituto de Investigaciones Geologicas (Chile) United States Dept. of Interior Series: Geological Survey professional paper ; no. 1188 Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington : United States Government of Printing Office, 1981 Availability: Items available for loan: National Library of India (1)Call number: U.S 553.640983 Er 44(Paper. no. 1188). Place hold Request article Save to lists
	8.	No cover image available Basic salinogen ion-exchange resins for selective nitrate removal from potable and effluent waters / by A. L. Walitt [and] H. L. Jones by Walitt, A. L. (Arthur Leonard), 1937- Jones, H. L. (Harold Lloyd), 1938- [jt. aut] United States. Federal Water Quality Administration Tyco Laboratories Series: Water pollution control research series Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington : U.S. Government Printing Office, 1969 Availability: Items available for loan: National Library of India (1)Call number: U.S 553.64097887 W 149. Place hold Request article Save to lists
	9.	No cover image available Development of a chemical toxicity assay for pulp mill effluents / J. M. Leach and L. T. K. Chung by Leach, J. M Chung, L. T. K [jt. aut] United States. Environmental Protection Agency. Water Quality Office Series: Water pollution control research series Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington, D. C. : Environmental Protection Agency, Water Quality Office]; for sale by the Supt. of Docs., United States Government Printing Office, 1981 Availability: Items available for loan: National Library of India (1)Call number: U.S 553.64097887 L 467. Place hold Request article Save to lists

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