0121-3709 0121-3709 S0121-37092019000200036 10.22579/20112629.567 Venezuela Venezuela Venezuela Venezuela 00 12 2019 00 12 2019 23 2 36 46

American Public Health Association (APHA), American Water Works Association (Awwa), Water Environment Federation (WEF). 2005 21th Edition 2000 44 44 2000 836 2004 74 74 76-81 2006 51 3 3 404-8 2007 98 98 3298-308 2000 80 80 13-22 2005 96 96 351-8 2007 142 1-2 1-2 477-48 2009 43 4 4 541-55 2011 1 1 46-52 2005 204 2014 29 3 3 7-16 2014 48 3 3 206-23 2015 25 2 2 43-60 2017 8 21 21 11-27 2005 13 4 4 383-8 2011 78 78 18-27 2014 15 1 1 21-43 Decreto 883. 1995 5021 5021 18-2 2014 2 4 4 1899-2376 2007 148 148 15-21 2012 8 3 3 75-82 2008 7-8 97-108 2005 58 2 2 83-8 2005 39 22 22 8919-24 2008 4 2 2 266-73 2008 3 4 4 247-57 2006 1 2 2 15-21 2013 91 91 648-55 2000 42 3 3 139-46 2004 39 3 3 303-10 2000 163 163 1-28 2009 45 5 5 1337-48 2004 164 3 3 249-59 2011 11 2 2 202-10 2011 63 3 3 403-9