0124-8170 0124-8170 S0124-81702018000200005 10.18359/rcin.2792 Venezuela Venezuela Venezuela Venezuela Ecuador 00 12 2018 00 12 2018 28 2 5 27

[1] 2011 2011 1-13 [2] 2016 7 4 4 1-5 [3] 2011 65 859-65 [4] 2011 29 896-907 [5] 1999 2nd 325 [6] 1999 6 278-309 [7] 2015 176 3 3 1-30 [8] 2017 223 277-86 [9] 1994 368 413-8 [10] 2016 112 128-34 [11] 2016 31 2 2 307-20 [12] 2017 24 [13] 2011 28 2 2 60-8 [14] 2012 69 28-37 [15] 2013 149 22-30 [16] 2003 12 1 1 15-25 [17] 2007 98 2 2 273-80 [18] 2015 42 1385-92 [19] 2017 49 145-51 [20] 2013 9 19-26 [21] 2010 46 800-12 [22] 2015 153 121-31 [23] 2014 95 28-38 [24] 2006 63 600-8 [25] 2013 72 165-73 [26] 2015 140 119-28 [27] 2014 203-32 [28] 2013 18 1 1 87-98 [29] 2017 31 3 3 17-26 [30] APHA AWWA WEF 2005 21th 14-27 [31] 2007 9na 959 [32] 1975 167 191-8 [33] 1972 167 310-5 [34] 2009 37-54 [35] 2005 5 4 4 305-17 [36] 2014 86 [37] Decreto 883 1995 5.021 5.021 [38] 1998 2a ed 226 [39] 2008 7 5 5 622-30 [40] 2012 96 [41] 2003 10a 10-89 [42] 1998 32 155-64 [43] 2012 49 112-7 [44] 2016 291 269-78 [45] 2011 6 2da ed 329-40 [46] 2003 27 481-92 [47] 2015 11 211-26 [48] 2009 19 3 3 371-81 [49] 2003 76 725-36 [50] 2005 55 29-37 [51] 1990 90-2 [52] 2009 7 1 1 1-8 [53] 2015 9 11 11 38-45 [54] 2013 1 8 8 34-7