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ENVIRONMENTAL HEALTH IMPACT ASSESSMENT COURSE

ENVIRONMENTAL HEALTH UNIT, DISEASE CONTROL DIVISION

MINISTRY OF HEALTH

6- 10 SEPTEMBER, 2004

ILHAM RESORT, PORT DICKSON, SEREMBAN

WATER QUALITY HEALTH IMPACT

CASE STUDY 1

A f!"#$% &'(f!"($)'* ')!+-!.&)(& /""$% .)!$* !.&)(& )' )" ff('" T

.)!$* '"$ $)3$ '. " !#'!'"$")#' #f !.&)(& )' $)3$ 1&*5 C).$'

f$#& '$/% 3)* #!!)#'% )& )' " $)3$ " 2 #($ $ )&, ")! +,f$#& " * #f 7 "# 12

O(")' " " "# / "+' '. !!(" " " $)+ 8'#'-!$!)'#*')! " ff!"

'. )f")& 9! !'!$ $)+: f#$ "# !).$'

Information given

A; C$#')! D)% I'"+ .( "# )'*")#' ) )&&)'* 8CDI I:

CDI < C = R = TE

 = FE

 = D"

  WB = T 3*

W$, CDI < C$#')! D)% I'"+ 8&*5+.5.%:

C < C#'!'"$")#' #f !&)! )' "$ 8&*5:

R < C#'"!" $" 85$:

TE < E9#($ ")& 8$53'":FE < E9#($ f$>('!% 83'" 5 %$:

D" < D($")#' #f E9#($ 8%$:

WB < B#.% )*" < ?0 +*T 3* < A3$*)'* ")& 8.%:

T 3* < @0 %$ #$ 2,0 .% 8)f")&: f#$ !$!)'#*'

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B C$#')! D)% I'"+ .( "# +)' /#$")#' ) )&&)'* 8CDID:

CDI < C = AS = RD = TE = FE = KV = D"

  WB = T 3*

W$, CDI < C$#')! D)% I'"+ 8&*5+.5.%:C < C#'!'"$")#' #f !&)! )' "$ 8&*5:

AS < +)' ($f! $ f#$ !#'"!" 8CM2:

RD < D$& $&/))"% !#'"'" 8!& 5 $:< 4 9 10 -4 !&5$ f#$ "$ 

C#'"!" $" 85$:TE < E9#($ ")& 8$53'":

FE < E9#($ f$>('!% 83'" 5 %$:D" < D($")#' #f E9#($ 8%$:

KV < C#'3$)#' f!"#$ 80001 L5!&?:

WB < B#.% )*" < ?0 +*

T 3* < A3$*)'* ")& 8.%:T 3* < @0 %$ #$ 2,0 .% 8)f")&: f#$ !$!)'#*'

C Rf$'! .# f#$ !.&)(& 8RfD: < 9 10 -4 &* 5 +*5.%

D S# f!"#$ f#$ !.&)(& < 61 8&*5+*5.%

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Solution

C!(")'* !$#')! .)% )'"+

CDII < 1 = 00 = 2 = 4 < 4? = 10- &*5+*5.%

  ?0 = 2,0

CDID  < 1 = 11,600 = 4 9 10 -4 = 2 = 104 = 4 = 0001

?0 = 2,0

< 106 = 10- &*5+*5.%

T#" CDI < CDII  CDID <647 10- &*5+*5.%

 

CALCULATION OF SYSTEMIC RISK 8HAARD INDE=:

H$. I'.9 < T#" CDI < 647 10- &*5+*5.% < 01?

R fD 9 10 -4 &* 5 +*5.%

 

CALCULATION OF LIFETIME E=CESS CANCER RISK 

L)f")& 9! !'!$ $)+ < T#" CDI 9 CSF< 647 10- &*5+*5.% = 61 8&*5+*5.%:

< ?76 = 10-4

< ?76 9! !'!$ $ &))#' #(")#'

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S" 1

M($&'" #f !.&)(& 3 )' $)3$ "$

S" 2

D"$&)' " #)/ 9#($ $#("

I'*")#'

S+)' .#$")#'

S" ?

C!(" " !$#')! .)% )'"+ 8CDI: .( "# )'*")#' ) )&&)'* 8CDI):

C!(" " !$#')! .)% )'"+ 8CDI: .( "# +)' /#$")#' ) )&&)'* 8CDIS:

C!(" " "#" CDI

S" 4

C!(" H$. )'.9 8HI:

C!(" L)f ")& 9! !'!$ $)+

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CASE STUDY 2

T $(" #f "(/ .$)'+)'* "$ &#')"#$)'* $3. "" $')! !#'!'"$")#' )'

.$)'+)'* "$ 00 &*5

C#'.(!" HRA "# ."$&)' " &*')"(. #f " $)+ .( "# 9#($ #f $')! )'

.$)'+)'* "$

S"1

D"$&)' " !"*#$% #f 9#. #(")#'T#" .'.'" #' "(/

O!!)#'% ( "(/ f#$ .$)'+)'* "$ 8# f$>('" $ +5%$:D"$&)' " #)/ 9#($ $#("

I'*")#'

S" 2

C!(" " !$#')! .)% )'"+ 8CDI: .( "# )'*")#' #f .$)'+)'* "$ 

S"?

C!(" H$. )'.9 8HI:

C!(" L)f ")& 9! !'!$ $)+