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S1659-42662019000200182

10.22458/urj.v11i2.2305

Nigeria

00 06 2019

11 2 182 197

2011 1 1 1

52-9

2012 2 4 4

20-4

2010 1 1 1

9-13

2015 10 1 1

8-15

2014 13 3 3

316-24

2013 58 3 3

177-84

2016 24 6 6

1105-16

APHA (American Public Health Association). 1998 20th

1999 9

285.292

2013 1 1 1

93-102

2006 6

931-45

2016 188 71 71

1-18

2013 4

189-7

2013 12 27 27

4206-20

2016 55

231-7

1978 52

302-10

1997 49

67-76

1985 50 4 4

989-95

1987 21

1-10

1996 2nd

2001 16

659-718

1979 14

147-58

2008 12 56 56

10332-9

2001 9th

DGKC (Deutsche Gesellschaft fur Klinische Chemie).

1970 8

658-9

2005 61 3 3

398-403

2011 6 9 9

682-90

2004 95

231-8

2017 4

83-8

1999 61

93-110

2011 61 4 4

624-30

2005 98

131-4

2012 3 2 2

801-8

2011 36 3 3

229-35

2010 5 4 4

375-90

2008 99

5981-5

2009 106

515-24

2006 129 1-3 1-3

80-100

2012 32 3 3

498-512

1985 4

1951 193 1 1

265-75

2011 82

1017-23

1995

1972 101 1972 1972

109

NESREA 2011

NIS (Nigerian Industrial Standard). 2007

2004 9

211-21

Official Journal of the European Union 2005

1992 7

27-34

2014 103

17-23

2010 5

231-5

2015 7 4 4

37-46

2008 2 4 4

391-400

2011 20

163-72

2017 11 2 2

29-38

2017 9 2 2

287-97

2014 207

67-73

1996 19 4 4

311-22

1987

1957 28

56-68

2012 32

1886-94

1994 4

401-429.

1993 114

189-202

1969 6 1 1

24-7

2012 124-125

58-65

USEPA (United States Environmental protection Agency). 2011

WHO (World Health Organisation) 2011 4th