ANALYSIS CERTIFICATEDate2009/12/03Request No1887Contract NoOrder/Ref No12114

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L i s t o f D i r e c t o r s a v a i l a b l e f r o m t h e r e g i s t e r e d o f f i c e U I S A n a l y t i c a l S e r v i c e s ( P t y ) L t d ● R e g . N o . 2 0 0 0 / 0 2 7 7 8 8 / 0 7 ● V A T N o . 4 9 2 0 2 0 2 9 6 9 1 3 E s d o r i n g N o o k ● H i g h v e l d T e c h n o p a r k ● C e n t u r i o n P O B o x 8 2 8 6 ● C e n t u r i o n ● 0 0 4 6 T e l . + 2 7 1 2 6 6 5 4 2 9 1 ● F a x . + 2 7 1 2 6 6 5 4 2 9 4 i n f o @ u i s - a s . c o . z a ● h t t p : / / w w w . u i s - a s . c o . z a T0184 FOSKOR(12114)

Golder Associates Africa (Pty) Ltd South Africa Danie Brink Tel : +27112544800 Fax : +27113150317 E-Mail : dbrink@golder.co.za

ANALYSIS CERTIFICATE

Date 2009/12/03 Request No 1887 Contract No Order/Ref No 12114

SAMPLE ID : 129423 SAMPLE MATRIX : Water

SAMPLE NO.: PEP11S/9H00/2/11/2009 DATE RECEIVED : 2009-11-13

METHOD : pH

METHOD NO.: UIS-EA-T003 (Accredited) DATE COMPLETED : 2009-12-02

PARAMETER VALUE UNIT

pH 7.89

pH Temperature 20.7 Deg C

METHOD : Electrical Conductivity

Total Conductivity 175 mS/m

TC Temperature 20.7 Deg C

METHOD : Calculated Total Dissolved Solids from EC

METHOD NO.: UIS-CP-T001 DATE COMPLETED : 2009-12-02

TDS by EC * 6.5 1140 mg/l

TDS by EC * 7 1230 mg/l

METHOD : Total Dissolved Solids

Total Dissolved Solids 1530 mg/l

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METHOD : Calculated Total Dissolved Solids by Summation

TDS by Summation 1400 mg/l

METHOD : P and Total (M) Alkalinity

P Alkalinity <0.6 mg/l CaCO3

Total (M) Alkalinity 432 mg/l CaCO3

METHOD : Disolved Cations in Water by ICP-OES

METHOD NO.: UIS-TEA-T001 DATE COMPLETED : 2009-12-02

Al <0.05 mg/l Ba 0.07 mg/l Ca 73.3 mg/l Fe <0.05 mg/l K 44.7 mg/l Mg 153 mg/l Mn <0.05 mg/l Na 124 mg/l Si 18.6 mg/l Zn 0.05 mg/l

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-12-02

Ag <0.01 ppm Al <0.01 ppm As <0.01 ppm Au <0.01 ppm B 0.178 ppm Ba 0.093 ppm Be <0.01 ppm Bi <0.01 ppm Ca 68.9 ppm Cd <0.01 ppm Ce <0.01 ppm Co <0.01 ppm Cr 0.01 ppm Cs <0.01 ppm Cu <0.01 ppm Dy <0.01 ppm Er <0.01 ppm Eu <0.01 ppm Fe 0.128 ppm Ga <0.01 ppm Gd <0.01 ppm Ge <0.01 ppm Hf <0.01 ppm Hg <0.01 ppm Ho <0.01 ppm

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FOSKOR(12114) 12114

In <0.01 ppm Ir <0.01 ppm K 49.4 ppm La <0.01 ppm Li <0.01 ppm Lu <0.01 ppm Mg 150 ppm Mn 0.017 ppm Mo <0.01 ppm Na 125 ppm Nb <0.01 ppm Nd <0.01 ppm Ni <0.01 ppm Os <0.01 ppm P <0.8 ppm Pb <0.01 ppm Pd <0.01 ppm Pr <0.01 ppm Pt <0.01 ppm Rb 0.085 ppm Re <0.01 ppm S <0.01 ppm Sb <0.01 ppm Sc 0.014 ppm Se <0.01 ppm Si 18.6 ppm Sm <0.01 ppm Sn <0.01 ppm Sr 2.07 ppm Ta <0.01 ppm Tb <0.01 ppm Te <0.01 ppm Th <0.01 ppm Ti 0.112 ppm Tl <0.01 ppm Tm <0.01 ppm U <0.01 ppm V 0.039 ppm W <0.01 ppm Y <0.01 ppm Yb <0.01 ppm Zn 0.075 ppm Zr <0.01 ppm

METHOD : Anions by Ion Chromatography

F 2.56 mg/l Cl 159 mg/l NO3 89.3 mg/l NO3 as N 20.2 mg/l PO4 <0.8 mg/l SO4 449 mg/l Page 3

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METHOD : Ion Balance Error

Sum of Cations 22.8 me/l

Sum of Anions 23.9 me/l

Ion Balance Error -2.43 %

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ANALYSIS CERTIFICATE

METHOD : pH

pH 7.95

TC Temperature 23 Deg C

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Al <0.05 mg/l Ba 0.05 mg/l Ca 203 mg/l Fe 0.07 mg/l K 67.1 mg/l Mg 379 mg/l Mn 0.05 mg/l Na 262 mg/l Si 17.3 mg/l Zn 0.23 mg/l

Ag <0.01 ppm Al <0.01 ppm As <0.01 ppm Au <0.01 ppm B 0.212 ppm Ba 0.036 ppm Be <0.01 ppm Bi <0.01 ppm Ca 188 ppm Cd <0.01 ppm Ce <0.01 ppm Co <0.01 ppm Cr <0.01 ppm Cs <0.01 ppm Cu <0.01 ppm Dy <0.01 ppm Er <0.01 ppm Eu <0.01 ppm Fe 0.712 ppm Ga <0.01 ppm Gd <0.01 ppm Ge <0.01 ppm Hf <0.01 ppm Hg <0.01 ppm Ho <0.01 ppm

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FOSKOR(12114) 12114

In <0.01 ppm Ir <0.01 ppm K 64.2 ppm La <0.01 ppm Li 0.023 ppm Lu <0.01 ppm Mg 330 ppm Mn 0.072 ppm Mo <0.01 ppm Na 218 ppm Nb <0.01 ppm Nd <0.01 ppm Ni 0.019 ppm Os <0.01 ppm P <0.8 ppm Pb <0.01 ppm Pd <0.01 ppm Pr <0.01 ppm Pt <0.01 ppm Rb 0.159 ppm Re <0.01 ppm S <0.01 ppm Sb <0.01 ppm Sc 0.015 ppm Se <0.01 ppm Si 17.3 ppm Sm <0.01 ppm Sn <0.01 ppm Sr 2.95 ppm Ta <0.01 ppm Tb <0.01 ppm Te <0.01 ppm Th <0.01 ppm Ti 0.386 ppm Tl <0.01 ppm Tm <0.01 ppm U 0.02 ppm V 0.018 ppm W <0.01 ppm Y <0.01 ppm Yb <0.01 ppm Zn 0.384 ppm Zr <0.01 ppm

F 1.55 mg/l Cl 335 mg/l NO3 63.9 mg/l NO3 as N 14.4 mg/l PO4 <0.8 mg/l SO4 1770 mg/l Page 3

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ANALYSIS CERTIFICATE

METHOD : pH

pH 7.31

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Al <0.05 mg/l Ba <0.05 mg/l Ca 383 mg/l Fe 0.29 mg/l K 61.9 mg/l Mg 513 mg/l Mn 0.13 mg/l Na 419 mg/l Si 20.3 mg/l Zn 0.08 mg/l

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FOSKOR(12114) 12114

In <0.01 ppm Ir <0.01 ppm K 62 ppm La <0.01 ppm Li 0.099 ppm Lu <0.01 ppm Mg >500 ppm Mn 0.151 ppm Mo <0.01 ppm Na 374 ppm Nb <0.01 ppm Nd <0.01 ppm Ni 0.053 ppm Os <0.01 ppm P <0.8 ppm Pb <0.01 ppm Pd <0.01 ppm Pr <0.01 ppm Pt <0.01 ppm Rb 0.165 ppm Re <0.01 ppm S <0.01 ppm Sb <0.01 ppm Sc 0.019 ppm Se <0.01 ppm Si 20.3 ppm Sm <0.01 ppm Sn <0.01 ppm Sr 5.49 ppm Ta <0.01 ppm Tb <0.01 ppm Te <0.01 ppm Th <0.01 ppm Ti 0.746 ppm Tl <0.01 ppm Tm <0.01 ppm U 0.13 ppm V 0.021 ppm W <0.01 ppm Y <0.01 ppm Yb <0.01 ppm Zn 0.134 ppm Zr <0.01 ppm

F 2.38 mg/l Cl 379 mg/l NO3 347 mg/l NO3 as N 78.4 mg/l PO4 <0.8 mg/l SO4 3010 mg/l Page 3

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ANALYSIS CERTIFICATE

SAMPLE NO.: PEP6D/12H00/4/11/2009 DATE RECEIVED : 2009-11-13

METHOD : pH

pH 7.9

Total Conductivity 80.8 mS/m

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Al <0.05 mg/l Ba 0.08 mg/l Ca 62.7 mg/l Fe 0.18 mg/l K 7.18 mg/l Mg 31.5 mg/l Mn 0.06 mg/l Na 85 mg/l Si 14.6 mg/l Zn 0.78 mg/l

Ag <0.01 ppm Al <0.01 ppm As <0.01 ppm Au <0.01 ppm B 0.152 ppm Ba 0.081 ppm Be <0.01 ppm Bi <0.01 ppm Ca 57.8 ppm Cd <0.01 ppm Ce <0.01 ppm Co <0.01 ppm Cr <0.01 ppm Cs 0.01 ppm Cu <0.01 ppm Dy <0.01 ppm Er <0.01 ppm Eu <0.01 ppm Fe 0.392 ppm Ga <0.01 ppm Gd <0.01 ppm Ge <0.01 ppm Hf <0.01 ppm Hg <0.01 ppm Ho <0.01 ppm

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FOSKOR(12114) 12114

In <0.01 ppm Ir <0.01 ppm K 8.4 ppm La <0.01 ppm Li 0.048 ppm Lu <0.01 ppm Mg 29.7 ppm Mn 0.073 ppm Mo <0.01 ppm Na 82.5 ppm Nb <0.01 ppm Nd <0.01 ppm Ni <0.01 ppm Os <0.01 ppm P <0.8 ppm Pb <0.01 ppm Pd <0.01 ppm Pr <0.01 ppm Pt <0.01 ppm Rb 0.03 ppm Re <0.01 ppm S <0.01 ppm Sb <0.01 ppm Sc <0.01 ppm Se <0.01 ppm Si 14.6 ppm Sm <0.01 ppm Sn <0.01 ppm Sr 3.44 ppm Ta <0.01 ppm Tb <0.01 ppm Te <0.01 ppm Th <0.01 ppm Ti 0.049 ppm Tl <0.01 ppm Tm <0.01 ppm U 0.013 ppm V <0.01 ppm W <0.01 ppm Y <0.01 ppm Yb <0.01 ppm Zn 0.729 ppm Zr <0.01 ppm

F 1.18 mg/l Cl 126 mg/l NO3 1.73 mg/l NO3 as N 0.39 mg/l PO4 <0.8 mg/l SO4 27.8 mg/l Page 3

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ANALYSIS CERTIFICATE

METHOD : pH

pH 7.7

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Al <0.05 mg/l Ba 0.07 mg/l Ca 312 mg/l Fe 0.07 mg/l K 28.5 mg/l Mg 281 mg/l Mn 0.08 mg/l Na 144 mg/l Si 17.7 mg/l Zn 0.26 mg/l

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FOSKOR(12114) 12114

In <0.01 ppm Ir <0.01 ppm K 29.6 ppm La <0.01 ppm Li 0.012 ppm Lu <0.01 ppm Mg 269 ppm Mn 0.095 ppm Mo <0.01 ppm Na 134 ppm Nb <0.01 ppm Nd <0.01 ppm Ni 0.011 ppm Os <0.01 ppm P <0.8 ppm Pb <0.01 ppm Pd <0.01 ppm Pr <0.01 ppm Pt <0.01 ppm Rb 0.037 ppm Re <0.01 ppm S <0.01 ppm Sb <0.01 ppm Sc 0.013 ppm Se 0.011 ppm Si 17.7 ppm Sm <0.01 ppm Sn <0.01 ppm Sr 2.82 ppm Ta <0.01 ppm Tb <0.01 ppm Te <0.01 ppm Th <0.01 ppm Ti 0.43 ppm Tl <0.01 ppm Tm <0.01 ppm U <0.01 ppm V 0.01 ppm W <0.01 ppm Y <0.01 ppm Yb <0.01 ppm Zn 0.278 ppm Zr <0.01 ppm

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ANALYSIS CERTIFICATE

METHOD : pH

pH 7.73

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Al <0.05 mg/l Ba 0.09 mg/l Ca 143 mg/l Fe <0.05 mg/l K 49.7 mg/l Mg 255 mg/l Mn <0.05 mg/l Na 179 mg/l Si 18.7 mg/l Zn 0.11 mg/l

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FOSKOR(12114) 12114

In <0.01 ppm Ir <0.01 ppm K 51.4 ppm La <0.01 ppm Li 0.013 ppm Lu <0.01 ppm Mg 240 ppm Mn 0.028 ppm Mo <0.01 ppm Na 169 ppm Nb <0.01 ppm Nd <0.01 ppm Ni <0.01 ppm Os <0.01 ppm P <0.8 ppm Pb <0.01 ppm Pd <0.01 ppm Pr <0.01 ppm Pt <0.01 ppm Rb 0.092 ppm Re <0.01 ppm S <0.01 ppm Sb <0.01 ppm Sc 0.014 ppm Se <0.01 ppm Si 18.7 ppm Sm <0.01 ppm Sn <0.01 ppm Sr 2.95 ppm Ta <0.01 ppm Tb <0.01 ppm Te <0.01 ppm Th <0.01 ppm Ti 0.193 ppm Tl <0.01 ppm Tm <0.01 ppm U <0.01 ppm V 0.04 ppm W <0.01 ppm Y <0.01 ppm Yb <0.01 ppm Zn 0.101 ppm Zr <0.01 ppm

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