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	1.	Image from Amazon.com	Surveillance of drinking water quality in rural areas / Barry Llo yd, Richard Helmer. by Lloyd, Barry Helmer, Richard, 1943- World Health Organization United Nations Environment Programme Material type: Text Publication details: Burnt Mill, Harlow, Essex, England : New York : Longman Scientific & Technic al ; J. Wiley, 1991 Availability: Items available for loan: Department of Environmental Management -DEM (1)Call number: 628.161 LL O. Place hold Save to lists Add to cart (remove)
	2.	Image from Amazon.com	Surveillance of drinking water quality in rural areas / Barry Llo yd, Richard Helmer. by Lloyd, Barry Helmer, Richard, 1943- World Health Organization United Nations Environment Programme Material type: Text Publication details: Burnt Mill, Harlow, Essex, England : New York : Longman Scientific & Technic al ; J. Wiley, 1991 Availability: No items available. Save to lists Add to cart (remove)
	3.	Image from Amazon.com	Surveillance of drinking water quality in rural areas / Barry Llo yd, Richard Helmer. by Lloyd, Barry Helmer, Richard, 1943- World Health Organization United Nations Environment Programme Material type: Text Publication details: Burnt Mill, Harlow, Essex, England : New York : Longman Scientific & Technic al ; J. Wiley, 1991 Availability: No items available. Save to lists Add to cart (remove)
	4.	Image from Amazon.com	Surveillance of drinking water quality in rural areas / Barry Llo yd, Richard Helmer. by Lloyd, Barry Helmer, Richard, 1943- World Health Organization United Nations Environment Programme Material type: Text Publication details: Burnt Mill, Harlow, Essex, England : New York : Longman Scientific & Technic al ; J. Wiley, 1991 Availability: No items available. Save to lists Add to cart (remove)
	5.	Image from Amazon.com	Surveillance of drinking water quality in rural areas / Barry Llo yd, Richard Helmer. by Lloyd, Barry Helmer, Richard, 1943- World Health Organization United Nations Environment Programme Material type: Text Publication details: Burnt Mill, Harlow, Essex, England : New York : Longman Scientific & Technic al ; J. Wiley, 1991 Availability: No items available. Save to lists Add to cart (remove)