0034-7744 0034-7744 S0034-77442017000200669 10.15517/rbt.v65i2.23903 CO CO 00 06 2017 00 06 2017 65 2 669 683

American Public Health Association (APHA) American Water Works Association (AWWA) Water Environment Federation (WEF) 2012 22nd edition Armada Nacional 1998 2011 15 4 4 799-834 2011 3 883-91 2005 2 1 1 80-8 2008 . 127144 2016 75 ^ssl ^ssl sl 215-34 2005 34 2 2 211-8 Corpoboyacá 2016 1992 35 1-21 2011 3° edición 375-445 2009 397-412 2011 1 7-27 2009 2nd edition 1977 111 982 982 1169-94 1986 2011 46 ^ssl 2 ^ssl 2 sl 2 83-4 2012 34 96 96 67-83 2013 69 216-28 1999 35 2 2 103-421 1997 346 169-81 2000 424 67-77 1957 22 415-27 2010 55 614-27 1976 192 885-7 1996 43-64 1962 15 176-93 1978 1 4 4 493-509 1983 1998 9ª edición 2002 2000 22 63-76 2002 24 1 1 121-134. 2003 502 133-43 2010 9 2 2 145-64 2009 621 1-19 2003 500 243-57 2000 1983 65 719-42 1980 3 141-59 1988 388-433 1997 2006 2002 24 5 5 417-428. 1982 6 33-73 2008 2ª edición 1979 1981 43 34-62 2002 9-27 2007 578 97-112 1975 2009 24 201-7 2008 607 211-24 2003 25 11 11 1331-46 2009 2 65-78 1986 67 5 5 1167-79 1958 9 1-38 1983 2003 48 1669-75 2001 23 10 10 1147-55 2001 3rd edition 2000 2nd edition