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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    9.17. HIGH CONCENTRATION OF ULTRABASIC ROCK

    TRACE ELEMENTS AN EXAMPLE OFTRACE ELEMENTS AN EXAMPLE OF

    GROUNDWATER ROCK INTERACTIONGROUNDWATER ROCK INTERACTION CASE STUDY :CASE STUDY :

    MALILI DISTRICT, SOUTH SULAWESI MALILI DISTRICT, SOUTH SULAWESI

    Abstract

    The idea of diffe e!" o#$% &i'e diffe e!" #he(i#a) ef)e#"io! "o

    & o*!d+a"e ha% ha d) -ee! #o!%ide ed. Thi% /a/e &i'e% a %ho "

    &)i(/%e of " a#e e)e(e!"% o##* e!#e i! & o*!d+a"e a% a e%*)" of

    +a"e 0 o#$ i!"e a#"io! / o#e%%e%.

    The #a%e %"*d i% Ma)i)i, )o#a"ed o! 12 $( NE of Ma$a%a ,

    So*"h S*)a+e%i. The &eo)o&i#a) #o!di"io! i% #o!%i%"ed (ai!) of Mid0

    Te "ia U)" a-a%i# Ro#$% a!d Se /e!"i!i"e 3o*)de , o'e )ai! - La"e

    Te "ia )i(e%"o!e a!d %a!d%"o!e )a e %. 3o"h *!i"% a e fa*)"ed a!d

    fo)ded. The o*!&e%" )a e i% "hi! 4*a"e !a La$e De/o%i"% a!dA))*'ia) P)ai! De/o%i"%. The / o-)e( i% "he /o%%i-i)i"ie% of & o*!d+a"e

    #o!"a(i!a"io!. Thi% /a/e i% (ai!) di%#*%%i!& "he !a"* a) #o!" o) "o

    *!#o!fi!ed & o*!d+a"e #o!"a(i!a"io!, -a%ed o! "he fo))o+i!&

    a!a) %i% o!: a5*ife o-%e 'a"io!%, +a"e 5*a)i" da"a 6d*& +e))%, 2

    %/ i!&%, 17 i'e %a(/)i!& %i"e%8, a!d %oi) #he(i#a) da"a 69 %a(/)e%8.

    The da"a %ho+ "ha" "he " a#e e)e(e!"% #o!#e!" a"io!% a e hi&h -o"h i! +a"e a!d e%id*a) %oi). The fie)d 'a)*e% of Co , Ni , A%, ;! < ,

    CN 0 i! & o*!d+a"e a e #o((o!) )o+e "ha! "he (a=i(*(

    /e (i%%i-)e )i(i". The #o!di"io! doe% !o" a//) "o C #o!#e!" a"io!

    67.12>7.??#he(i#a) / o/e "ie% of & o*!d+a"e %ho+% a

    !o (a) "e(/e a"* e 6?

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    (ea%* e(e!"% 6B? 7 S@#(8. Ho+e'e , "he /H (ea%* e(e!"% %ho+

    +ide e="e!d of 'a)*e% f o( 9.B >17.1

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    F#&'re 9.() S"*d a ea

    )o#a"io!

    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    Ma)i)i, "he #a%e %"*d a ea i! "hi% /a/e , i% )o#a"ed o! 12 $( NE of

    Ma$a%a , o! "he #oa%"a) a ea of 3o!e 3a i! So*"h S*)a+e%i 6 F#&'re

    18. A##o di!& "o Si(a! *!"a$ 61 18, "he &eo)o&i#a) #o!di"io! i! %*#h

    a ea i% #o!%i%"ed (ai!) of Mid Te "ia U)" a-a%i# Ro#$% a!d

    Se /e!"i!i"e 3o*)de , o'e )ai! - La"e Te "ia )i(e%"o!e a!d

    %a!d%"o!e )a e %. 3o"h *!i"% a e a) ead fa*)"ed a!d fo)ded. The

    o*!&e%" )a e a e "hi! 4*a "e!a La$e De/o%i"% a!d A)*'ia) P)ai!

    De/o%i"%. The o'e a)) &eo)o&i#a) (a/ a!d %" a"i& a/hi# *!i"% i% %ho+!

    i! F#&'re ()I! "he ea ) 7 %, Ma)i)i +a% de'e)o/ed a% a %e"")e(e!" a ea. A%

    "he a ea de'e)o/ed, i! 1 , "he )o#a)% %"a "ed "o 5*e%"io! "he

    & o*!d+a"e 5*a)i" , a)"ho*&h "he e +e e !o" e" a! e/o "ed e'ide!#e

    of /h %i#a) effe#"%. Thi% /a/e i% (ai!) di%#*%%i!& "he /o%%i-i)i" of

    &eo)o&i#a) #o!" o) "o & o*!d+a"e #o!"a(i!a"io!.

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    9.17.2. PURPOSE OF THE STUDY

    The /* /o%e of "he %"*d i% "o fi!d o*" "he e#ha &e0di%#ha &e

    % %"e( of & o*!d+a"e . The % %"e( e#o&!i"io! *%ed a% a -a%i% "o

    de"e (i!e "he o i&i! of " a#e e)e(e!"% #o!"a(i!a"io! o! & o*!d+a"e i!

    "he a ea.

    9.17.3. METHODOLOGY

    The %"*d i% (ai!) -a%ed o! ? %"a&e% 6 F#&'re ( 8: / e0fie)d

    %* 'e , fie)d %* 'e , a!d /o%" fie)d %* 'e . The / e0fie)d %* 'e#o!%i%"ed of de%$ %"*d a-o*" "he &eo)o&i#a) a!d +a"e #he(i#a) da"a

    f o( / e'io*% e%ea #h.

    3a%ed o! "he de%$ %"*d , "he fie)d +o $% +a% /e fo (ed, #o(/ i%ed of:

    1. O-%e 'a"io!% of a5*ife #ha a#"e i%"i#% o! %/ i!&% a!d d*&

    +e))%.

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    F#&'re 9.(+. F)o+#ha " of "he %"*d

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    9.17.4. DATA

    The da"a %ho+ "ha" "he " a#e e)e(e!"% #o!#e!" a"io! a e hi&h

    -o"h i! a)) " /e% of +a"e a!d e%id*a) %oi). The fie)d 'a)*e% of %i= " /e%

    of " a#e e)e(e!"% 6Co , Ni , A%, ;! < , CN 08 i! & o*!d+a"e a e

    #o((o!) )o+e "ha! "he (a=i(*( /e (i%%i-)e )i(i" 6 Tab,e 9.7 8. The

    #o!di"io! doe% !o" a//) "o C #o!#e!" a"io! 67.12 > 7.??< (&@)8,

    +hi#h i% hi&he "ha! "he )i(i" 67 > 7.79 (&@)8.

    Tab,e 9.7.Tab,e 9.7. T a#e e)e(e!"% #o!#e!" a"io! i! & o*!d+a"e T a#e e)e(e!"% #o!#e!" a"io! i! & o*!d+a"e Trace e,e2e$ts Co$ce$trat#o$

    32&4,5*a6 er2#ss#b,e L#2#t 32&4,5

    3 ro2 8ar#o's so'rces5C 7.12 0 7.??< 7 0 7.79Co 7.7? > 7.1 7 Ni 7.771 > 7.7< 7A% 7.71 7;! < 7.71 > 7.7B 7CN 0 7.71 7

    The " a#e e)e(e!"% of #o(/o%i"io! i! & o*!d+a"e %ho+%

    %i(i)a i"ie% +i"h "he #o(/o%i"io! i! e%id*a) %oi) 6 Tab,e 9. 8. The da"a

    %ho+% "ha" Ni #o!"e!" i% hi&h, a!&e% -e"+ee! 179B (&@) */ "o 97. (&@).

    Tab,e 9. .Tab,e 9. . T a#e e)e(e!"% #o!#e!" a"io! i! e%id*a) %oi)T a#e e)e(e!"% #o!#e!" a"io! i! e%id*a) %oi)

    Trace e,e2e$ts Co$ce$trat#o$ 32&4,5C 77 > 1B77Co 1B7 >

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    The /h %i#a) > #he(i#a) / o/e "ie% da"a of & o*!d+a"e %ho+ a

    !o (a) "e(/e a"* e 6 ? 7,7B 7,771M&< 1, B > 9, B 7,22 > 7,2 7,27

    Na B, 7 > 7,11 7 7,17

    K 7,772 > 7,7< 7 > 7,7< 7,779HCO ?0 7,7 > ?, 7,1 7,71 7,79SO 2 7,7 7,71 7,71CO ?0 7,? > 7, 7 7,71 > 7,72 7,71

    9.17.5. ANALYSIS

    The da"a %ho+% "ha" "he /h %i#a) a!d #he(i#a) / o/e "ie% of

    & o*!d+a"e i% %i(i)a "o ai! +a"e . The #o!di"io! i% #)ea ) / o'ed -

    Pi/e /)o" i))*%" a"i!& -i#a -o!a"e " /e & o*!d+a"e a!d ai! +a"e

    6F#&'re 9.(< 8. The )o+ #o!d*#"i'i" %ho+% )o+ "o (ode a"e

    (i!e a)i a"io! / o#e%% a!d fa%" #o!"a#" "i(e -e"+ee! & o*!d+a"e a!d

    "he a5*ife 6Ma""he%%, 1 1J F ee e da! Che , 1 J P* adi(a a,

    1

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    (e"eo i# +a"e #i #*)a"io! +i"h )o#a) e#ha &e a!d di%#ha &e % %"e(

    & o*!d+a"e 6O(a! e".a), 1 J I a+a! e".a),

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    G r o u n ! a t e r

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    F#&'re 9.(

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    F#&'re 9.(=. Si(/)ified # o%% %e#"io! of "he a5*ife 6f o( +e))o-%e 'a"io!8. The a5*ife i% #o(/o%ed of "hi! e%id*a) %oi)

    of *)" a-a%i# o#$% 6< (8. The +a"e 0 o#$ i!"e a#"io! / o#eed% a% "he ai! +a"e i!fi)" a"e% a!d /e #o)a"e% i! "hee%id*a) %oi) "o "he %a"* a"ed o!e 6O(a!, 1 J I a+a!e".a),

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    9.1 . EN/UGAAN ASAL *ULA /AN ALIRAN AIR A/A

    AKIFER BAHAN 0OLKANIK BER/ASARKAN

    ERUNUTAN ISOTO STABIL 3@ ) H a$ @ 1 O5

    Sar#

    Ko(/)e$% Ma"aai ;+ee(-a" di Ko"a Sa-a!&0Na!& oe A#eh

    Da *%%a)a( (e */a$a! %a)ah %a"* %*(-e /e(a%o$ ai *"a(a -a&i

    (a% a a$a" dae ah "e %e-*", "e di i da i d*a $e)o(/o$, ai"* $e)o(/o$

    Ma"aai PDAM da! $e)o(/o$ Ma"aai TNI0AL.

    Ke)o(/o$ Ma"aai TNI0AL (e(/*! ai de-i" -e 'a ia%i < > ?9

    )@de"i$, (e */a$a! (a"aai $o!"a$ de!&a! %*(-e *"a(a -e a%a) da i

    ai Da!a* A!e*$ Lao" a!& (e!&a)i %e#a a e)a"if )e-ih #e/a" di da)a(

    a$ife -e-a% / od*$"if -e */a T*f K i%"a) da! T*f 3a"*a/*!&. Ha) i!i

    di"*! *$$a! o)eh %i(/a!&a! $o!%e!" a%i De*"e i*( %e-e%a 0 ?7 da!

    O$%i&e!01 %e-e%a 0 ? , /ada &a i% e'a/o a%i ai /e (*$aa!J

    $a!d*!&a! io! -i$a -o!a" a!& e)a"if e!dah 6

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    Kata "'$c#- Pe *!*"a! i%o"o/ %"a-i), De*"e i*(, O$%i&e!01 , E(i%i

    &a% CO< da! SO

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    9.18.1. LATAR BELAKANG

    Ko(/)e$% (a"aai ;+ee(-a" "e )e"a$ /ada e)e'a%i

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    Ga2bar 9.( .Dia& a( a)i "aha/a! /e!e)i"ia!

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    9.18.3. KA IAN TEORI

    9.18.3.1. D!"#$!%&"! I"'#'( S#)%!* D++$!&, -) O/"!0+ 18 -! A*),

    Te da/a" e(/a" e!i% i%o"o/ /e!"i!& da)a( %"*di hid o&eo)o&i

    da! )i!&$*!&a!! a, ai"* T i"i*( 6 ?H8, Ka -o!012 6 12C8, De*"e i*(

    6

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    $e"e)i"ia! (e!#a/ai 7,71 o@oo. Ha%i) /e!&*$* a! %/e$" o(e"e (a%%a

    dihi"*!& da)a( -e!"*$ /e -edaa! e)a"if a%io (a%%a 6 8 #o!"oh ai

    "e hada/ )a *"a! %"a!da d a!& di$e!a) %e-a&ai Standard Mean O&ean

    'ater 6SMOW8 da)a( %a"*a! /e (i) 6 o@oo8, di(a!a:

    Q 66R #o!"oh ai > R SMOW 8 @ R SMOW 8 = 1777 o@oo

    Ca"a"a!:

    Q o@ooJ a%io D@H da! 1 O@1BO #o!"oh "e hada/

    SMOW

    R #o!"oh ai Q a%io D@H da! 1 O@1BO #o!"oh di*$*

    /ada %/e$" o(e"e (a%%a

    R SMOW Q a%io D@H da! 1 O@1BO SMOW /ada

    %/e$" o(e"e (a%%a

    U!"*$ $e/e )*a! $a)i- a%i, di&*!a$a! %"a!da d IAEA ai"* SMOW

    a!& (e!e"a/$a! !i)ai 1 O da! DQ 7,7 o@oo a"a* %"a!da d SLAP

    6S"a!da d Li&h" A!"a "i# P e#i/i"a"io!8 a!& (e!&&*!a$a! !i)ai

    "e $e#i) $a!d*!&a! 1 O da! D di a)a( %e-a&ai $o e$%i, di(a!a !i)ai1 OQ 0 99,9 da! DQ 0 2

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    Ko!%e!" a%i De*"e i*( da! O$%i&e!01 -e 'a ia%i /ada %e"ia/ dae ah.

    O)eh $a e!a i"*, %e"ia/ dae ah a$a! (e(i)i$i Ga i% Ai Me"eo i$ Lo$a)

    de!&a! /e %a(aa! a!& -e -eda. Da i /e %a(aa! Ga i% Ai Me"eo i$

    G)o-a) da/a" di"* *!$a! /e %a(aa! *(*( *!"*$ Ga i% Ai Me"eo i$

    Lo$a) %e-a&ai -e i$*", de!&a! !i)ai X di/e!&a *hi o)eh fa$"o

    "o/o& afi:

    D o@oo Q D o@oo X

    9.18.3.3 A )*!"!" K) -& 0) I"'#'( S#)%!* D++$!&, -)

    O/"!0+ 18

    Pe *-aha! $a!d*!&a! i%o"o/ %e/a! a!& a)i a! ai "a!ah

    (e ef)e$%i$a! /e $i aa! )o$a%i $a+a%a! e%a/a! da! )*a%a!, %e "a

    / o%e% a!& "e adi da)a( /e iode /e!&a)i a! (Fr tz dan F)nte*, #9++% ,de!&a! (e(-a!di!&$a! 'a ia%i $a!d*!&a! i%o"o/ De*"e i*( da!

    O$%i&e!01 /ada ai h* a! da! ai "a!ah. Me!* *" at (#9$#% da! H)e-*

    (#9+$%, /e! e-a- 'a ia%i $a!d*!&a! i%o"o/ De*"e i*( da! O$%i&e!01

    /ada ai h* a! da! ai "a!ah ada)ah:

    1. Ada! a $o!" i-*%i e%a/a! da i ai /e (*$aa! 6%*!&ai, da!a*,

    (a*/*! -e!"*$ ai /e (*$aa! )ai!! a8, a!& %e-a&ia! "e)ah

    "e *a/$a!.

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    Ti!&&i! a $a!d*!&a! De*"e i*( da! O$%i&e!01 /ada ai

    da!a* di%e-a-$a! "i!&&i! a / o%e% /e!&*a/a! (D)men &) dan

    S&! artz, #99/% , %ehi!&&a (e(-e!"*$ &a i% /e!&*a/a! ai /e (*$aa!.

    P o%e% "e %e-*" (e!i!&$a"$a! $a!d*!&a! $ed*a i%o"o/ "e %e-*" /ada

    (a"aai a!& -e %*(-e da i ai da!a* 6 0at! dan )n- ant n , #9+1 8.

    Ga(-a ? (e!&&a(-a $a! /e *-aha! $o!%e!" a%i De"e i*( da!

    O$%i&e!01 %e "a / o%e% a!& (e! e-a-$a!! a 6 D)men &) dan

    S&! artz, #99/ 8.

    Ga2bar 9.(9 Pe! i(/a!&a! $o(/o%i%i i%o"o/ "e hada/ &a i% ai (e"eo i$ a$i-a" -e -a&ai / o%e% 6Do(e!i#o da!

    Sh#+a " , 1 78

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    3a"*a! i!i -e +a !a a-*0a-*, "e di i da i (a%a da%a -e */a "*f

    -e +a !a /*"ih de!&a! -e%a -*"i -e *$* a! /a%i da! f a&(e!

    -e */a -a"*a! -e$* a!de%i" -e *$* a! 7,9 (e"e de!&a!

    /e(i)aha! %eda!& %a(/ai de!&a! -* *$.

    C. Sat'a$ T' Kr#sta,

    Di -a&ia! a"a% Sa"*a! La'a A!de%i" die!da/$a! Sa"*a! T*f

    K i%"a) a!& "e %i!&$a/ di%e$i"a $e)o(/o$ Ma"aai PDAM da!

    di %e-e)ah "i(* Da!a* A!e*$ Lao". 3a"*a! i!i -e +a !a #o$)a"

    (*da, -e -*"i /a%i , -e /o o%i"a% -ai$, da! -e %ifa" )*)*% ai .Sa"*a! T*f K i%"a) i!i (e */a$a! a$ife -e-a% de!&a! !i)ai

    $o!d*$"i'i"a% hid o)i$ 2,? = 17 09 #(@de"i$. Ma"aai a!& (*!#*)

    da i a$ife i!i -e e!i% (a"aai $o!"a$ .

    /. Sat'a$ T' Bat'a%'$&

    Sa"*a! T*f 3a"*a/*!& "e %i!&$a/ di -a&ia! *"a a Da!a* A!e*$

    Lao". Sa"*a! i!i "e %*%*! o)eh (a%a da%a "*f -e +a !a /*"ihde!&a! -e%a -*"i -e *$* a! /a%i da! f a&(e! -a"*a! -e$*

    a!de%i". F a&(e! -a"*a/*!& -e +a !a #o$)a" (*da, -e -*"i

    %eda!& %a(/ai ha)*%, a&a$ )a/*$, da/a" ha!#* -i)a di e(a%,

    #*$*/ i!&a!, da! %a!&a" /o o*%. Sa"*a! T*f 3a"*a/*!& i!i

    (e */a$a! a$ife -e-a% de!&a! !i)ai $o!d*$"i'i"a% hid o)i$ 1,2 =

    17 0? #(@de"i$ hi!&&a ,2 = 17 02 #(@de"i$. Ma"aai a!& (*!#*)

    da i a$ife i!i -e e!i% de/ e%i.

    3e da%a $a! /e!a(/a!& A3 /ada /e"a &eo)o&i 6Ga(-a 28,

    a$ife T*f 3a"*a/*!& (e(/*! ai $e(i i!&a! )a/i%a! $e a ah "i(*

    )a*", di-a"a%i -a&ia! -a+ah! a o)eh a$ife T*f K i%"a). D*a %a"*a!

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    %e-a&ai a$ife / od*$"if da! (e! adi fo$*% /e!e)i"ia! e)a%i ai da!a*

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    190

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    Ga2bar 9.+ . Pe"a &eo)o&i da! /e!a(/a!& &eo)o&i $a+a%a! Da!a* A!e*$ Lao" da! Ko(/)e$% Ma"aai ;+ee(-a" 6Ti(

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    Tabe, 9.1). Da"a $i(ia0fi%i$a ai

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    9.18.5. PENDUGAAN ALIRAN AIR

    3e da%a $a! /)o" D da! 1 O di *(/ai d*a /o/*)a%i (a"aai :

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

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    BAB 9. KIMIA AIRTANAH, FENOMENA DISPERSI DAN POLUSI

    9.19. NE: H /ROGEOLOGICAL /ETER*INATION OF

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