ANALYSIS CERTIFICATEDate2009/11/25Request No1821Contract NoOrder/Ref No49195

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

Gerhard van der Linde Tel : +27112544800 Fax : +27113150317 E-Mail : gvanderlinde@golder.co.za

ANALYSIS CERTIFICATE

SAMPLE ID : 122629 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/01D DATE RECEIVED : 2009-10-26

METHOD : pH

METHOD NO.: UIS-EA-T003 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

pH 7.55

pH Temperature 24.6 Deg C

METHOD : Electrical Conductivity

METHOD NO.: UIS-EA-T001 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Conductivity 423 mS/m

TC Temperature 25.4 Deg C

METHOD : Calculated Total Dissolved Solids from EC

METHOD NO.: UIS-CP-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by EC * 6.5 2750 mg/l

TDS by EC * 7 2960 mg/l

METHOD : Total Dissolved Solids

METHOD NO.: UIS-EA-T005 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Dissolved Solids 2930 mg/l

SAMPLE ID : 122629 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/01D DATE RECEIVED : 2009-10-26

METHOD : Calculated Total Dissolved Solids by Summation

METHOD NO.: UIS-CP-T003 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by Summation 2660 mg/l

METHOD : P and Total (M) Alkalinity

METHOD NO.: UIS-EA-T002 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

P Alkalinity <0.6 mg/l CaCO3

Total (M) Alkalinity 332 mg/l CaCO3

METHOD : Disolved Cations in Water by ICP-OES

METHOD NO.: UIS-TEA-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Al <0.05 mg/l Ba 0.08 mg/l Ca 214 mg/l Fe <0.05 mg/l K 43.2 mg/l Mg 264 mg/l Mn <0.05 mg/l Na 154 mg/l Si 45.2 mg/l Zn <0.05 mg/l

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Ag 0.02 ppm Al <0.01 ppm As <0.01 ppm Au <0.01 ppm B 0.38 ppm Ba 0.07 ppm Be <0.01 ppm Bi <0.01 ppm Ca 214 ppm Cd <0.01 ppm Ce <0.01 ppm Co <0.01 ppm Cr 0.01 ppm Cs <0.01 ppm Cu 0.03 ppm Dy <0.01 ppm Er <0.01 ppm Eu <0.01 ppm Fe 0.1 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

FOSKOR(12114) 49195

SAMPLE ID : 122629 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/01D DATE RECEIVED : 2009-10-26

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

In <0.01 ppm Ir <0.01 ppm K 43.2 ppm La <0.01 ppm Li 0.02 ppm Lu <0.01 ppm Mg 264 ppm Mn <0.01 ppm Mo <0.01 ppm Na 154 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 0.08 ppm Re <0.01 ppm S <0.01 ppm Sb <0.01 ppm Sc 0.02 ppm Se 0.01 ppm Si 45.2 ppm Sm <0.01 ppm Sn <0.01 ppm Sr 2.94 ppm Ta <0.01 ppm Tb <0.01 ppm Te <0.01 ppm Th <0.01 ppm Ti 0.44 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 0.2 ppm Zr <0.01 ppm

METHOD : Anions by Ion Chromatography

METHOD NO.: UIS-EA-T008 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

F 1.67 mg/l Cl 300 mg/l NO3 292 mg/l NO3 as N 65.9 mg/l PO4 <0.8 mg/l SO4 1070 mg/l Page 3

SAMPLE ID : 122629 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/01D DATE RECEIVED : 2009-10-26

METHOD : Ion Balance Error

METHOD NO.: UIS-CP-T002 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Sum of Cations 40.2 me/l

Sum of Anions 44.2 me/l

Ion Balance Error -4.74 %

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

Gerhard van der Linde Tel : +27112544800 Fax : +27113150317 E-Mail : gvanderlinde@golder.co.za

ANALYSIS CERTIFICATE

SAMPLE ID : 122630 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/01S DATE RECEIVED : 2009-10-26

METHOD : pH

METHOD NO.: UIS-EA-T003 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

pH 7.79

pH Temperature 24.9 Deg C

METHOD : Electrical Conductivity

METHOD NO.: UIS-EA-T001 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Conductivity 104 mS/m

TC Temperature 24.9 Deg C

METHOD : Calculated Total Dissolved Solids from EC

METHOD NO.: UIS-CP-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by EC * 6.5 676 mg/l

TDS by EC * 7 728 mg/l

METHOD : Total Dissolved Solids

METHOD NO.: UIS-EA-T005 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Dissolved Solids 712 mg/l

SAMPLE ID : 122630 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/01S DATE RECEIVED : 2009-10-26

METHOD : Calculated Total Dissolved Solids by Summation

METHOD NO.: UIS-CP-T003 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by Summation 691 mg/l

METHOD : P and Total (M) Alkalinity

METHOD NO.: UIS-EA-T002 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

P Alkalinity <0.6 mg/l CaCO3

Total (M) Alkalinity 371 mg/l CaCO3

METHOD : Disolved Cations in Water by ICP-OES

METHOD NO.: UIS-TEA-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Al 0.21 mg/l Ba 0.18 mg/l Ca 62.4 mg/l Fe 0.34 mg/l K 39.6 mg/l Mg 66.4 mg/l Mn 0.13 mg/l Na 44 mg/l Si 22.1 mg/l Zn 0.12 mg/l

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Ag 0.02 ppm Al <0.01 ppm As <0.01 ppm Au <0.01 ppm B 0.23 ppm Ba 0.23 ppm Be <0.01 ppm Bi <0.01 ppm Ca 62.4 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 0.08 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

FOSKOR(12114) 49195

SAMPLE ID : 122630 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/01S DATE RECEIVED : 2009-10-26

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

In <0.01 ppm Ir <0.01 ppm K 39.6 ppm La <0.01 ppm Li 0.01 ppm Lu <0.01 ppm Mg 66.4 ppm Mn 0.14 ppm Mo <0.01 ppm Na 44 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 0.19 ppm Re <0.01 ppm S <0.01 ppm Sb <0.01 ppm Sc 0.02 ppm Se <0.01 ppm Si 22.1 ppm Sm <0.01 ppm Sn <0.01 ppm Sr 0.49 ppm Ta <0.01 ppm Tb <0.01 ppm Te <0.01 ppm Th <0.01 ppm Ti 0.09 ppm Tl <0.01 ppm Tm <0.01 ppm U <0.01 ppm V 0.02 ppm W <0.01 ppm Y <0.01 ppm Yb <0.01 ppm Zn 0.2 ppm Zr <0.01 ppm

METHOD : Anions by Ion Chromatography

METHOD NO.: UIS-EA-T008 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

F 0.98 mg/l Cl 61.8 mg/l NO3 42.3 mg/l NO3 as N 9.57 mg/l PO4 <0.8 mg/l SO4 91.3 mg/l Page 3

SAMPLE ID : 122630 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/01S DATE RECEIVED : 2009-10-26

METHOD : Ion Balance Error

METHOD NO.: UIS-CP-T002 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Sum of Cations 11.6 me/l

Sum of Anions 12.1 me/l

Ion Balance Error -2.45 %

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

Gerhard van der Linde Tel : +27112544800 Fax : +27113150317 E-Mail : gvanderlinde@golder.co.za

ANALYSIS CERTIFICATE

SAMPLE ID : 122627 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/02D DATE RECEIVED : 2009-10-26

METHOD : pH

METHOD NO.: UIS-EA-T003 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

pH 8.21

pH Temperature 24.6 Deg C

METHOD : Electrical Conductivity

METHOD NO.: UIS-EA-T001 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Conductivity 85 mS/m

TC Temperature 24.6 Deg C

METHOD : Calculated Total Dissolved Solids from EC

METHOD NO.: UIS-CP-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by EC * 6.5 553 mg/l

TDS by EC * 7 595 mg/l

METHOD : Total Dissolved Solids

METHOD NO.: UIS-EA-T005 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Dissolved Solids 520 mg/l

SAMPLE ID : 122627 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/02D DATE RECEIVED : 2009-10-26

METHOD : Calculated Total Dissolved Solids by Summation

METHOD NO.: UIS-CP-T003 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by Summation 524 mg/l

METHOD : P and Total (M) Alkalinity

METHOD NO.: UIS-EA-T002 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

P Alkalinity <0.6 mg/l CaCO3

Total (M) Alkalinity 229 mg/l CaCO3

METHOD : Disolved Cations in Water by ICP-OES

METHOD NO.: UIS-TEA-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Al <0.05 mg/l Ba 0.08 mg/l Ca 34.6 mg/l Fe <0.05 mg/l K 33.1 mg/l Mg 30.1 mg/l Mn <0.05 mg/l Na 72.9 mg/l Si 14.2 mg/l Zn 0.08 mg/l

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Ag 0.02 ppm Al <0.01 ppm As <0.01 ppm Au <0.01 ppm B 0.3 ppm Ba 0.15 ppm Be <0.01 ppm Bi <0.01 ppm Ca 34.6 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 0.06 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

FOSKOR(12114) 49195

SAMPLE ID : 122627 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/02D DATE RECEIVED : 2009-10-26

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

In <0.01 ppm Ir <0.01 ppm K 33.1 ppm La <0.01 ppm Li 0.02 ppm Lu <0.01 ppm Mg 30.1 ppm Mn 0.05 ppm Mo 0.01 ppm Na 72.9 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 0.12 ppm Re <0.01 ppm S <0.01 ppm Sb <0.01 ppm Sc 0.01 ppm Se <0.01 ppm Si 14.2 ppm Sm <0.01 ppm Sn <0.01 ppm Sr 0.81 ppm Ta <0.01 ppm Tb <0.01 ppm Te <0.01 ppm Th <0.01 ppm Ti 0.06 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 0.2 ppm Zr <0.01 ppm

METHOD : Anions by Ion Chromatography

METHOD NO.: UIS-EA-T008 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

F 1.01 mg/l Cl 86.2 mg/l NO3 11.3 mg/l NO3 as N 2.56 mg/l PO4 <0.8 mg/l SO4 78.3 mg/l Page 3

SAMPLE ID : 122627 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/02D DATE RECEIVED : 2009-10-26

METHOD : Ion Balance Error

METHOD NO.: UIS-CP-T002 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Sum of Cations 8.23 me/l

Sum of Anions 9.13 me/l

Ion Balance Error -5.23 %

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

Gerhard van der Linde Tel : +27112544800 Fax : +27113150317 E-Mail : gvanderlinde@golder.co.za

ANALYSIS CERTIFICATE

SAMPLE ID : 122625 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/02S DATE RECEIVED : 2009-10-26

METHOD : pH

METHOD NO.: UIS-EA-T003 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

pH 8.15

pH Temperature 24.4 Deg C

METHOD : Electrical Conductivity

METHOD NO.: UIS-EA-T001 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Conductivity 132 mS/m

TC Temperature 24.4 Deg C

METHOD : Calculated Total Dissolved Solids from EC

METHOD NO.: UIS-CP-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by EC * 6.5 858 mg/l

TDS by EC * 7 924 mg/l

METHOD : Total Dissolved Solids

METHOD NO.: UIS-EA-T005 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Dissolved Solids 812 mg/l

SAMPLE ID : 122625 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/02S DATE RECEIVED : 2009-10-26

METHOD : Calculated Total Dissolved Solids by Summation

METHOD NO.: UIS-CP-T003 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by Summation 950 mg/l

METHOD : P and Total (M) Alkalinity

METHOD NO.: UIS-EA-T002 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

P Alkalinity <0.6 mg/l CaCO3

Total (M) Alkalinity 383 mg/l CaCO3

METHOD : Disolved Cations in Water by ICP-OES

METHOD NO.: UIS-TEA-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Al <0.05 mg/l Ba 0.05 mg/l Ca 52.2 mg/l Fe 0.13 mg/l K 43 mg/l Mg 95.6 mg/l Mn 0.14 mg/l Na 78.6 mg/l Si 29.6 mg/l Zn 0.1 mg/l

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Ag 0.03 ppm Al <0.01 ppm As <0.01 ppm Au <0.01 ppm B 0.31 ppm Ba 0.09 ppm Be <0.01 ppm Bi <0.01 ppm Ca 52.2 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 0.13 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

FOSKOR(12114) 49195

SAMPLE ID : 122625 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/02S DATE RECEIVED : 2009-10-26

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

In <0.01 ppm Ir <0.01 ppm K 43 ppm La <0.01 ppm Li 0.03 ppm Lu <0.01 ppm Mg 95.6 ppm Mn 0.1 ppm Mo 0.01 ppm Na 78.6 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 0.16 ppm Re <0.01 ppm S <0.01 ppm Sb <0.01 ppm Sc <0.01 ppm Se <0.01 ppm Si 29.6 ppm Sm <0.01 ppm Sn <0.01 ppm Sr 0.34 ppm Ta <0.01 ppm Tb <0.01 ppm Te <0.01 ppm Th <0.01 ppm Ti 0.06 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 0.1 ppm Zr <0.01 ppm

METHOD : Anions by Ion Chromatography

METHOD NO.: UIS-EA-T008 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

F 0.88 mg/l Cl 96.2 mg/l NO3 74.8 mg/l NO3 as N 16.9 mg/l PO4 <0.8 mg/l SO4 199 mg/l Page 3

SAMPLE ID : 122625 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/02S DATE RECEIVED : 2009-10-26

METHOD : Ion Balance Error

METHOD NO.: UIS-CP-T002 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Sum of Cations 15 me/l

Sum of Anions 16.6 me/l

Ion Balance Error -5.07 %

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

Gerhard van der Linde Tel : +27112544800 Fax : +27113150317 E-Mail : gvanderlinde@golder.co.za

ANALYSIS CERTIFICATE

SAMPLE ID : 122628 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/05S DATE RECEIVED : 2009-10-26

METHOD : pH

METHOD NO.: UIS-EA-T003 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

pH 7.12

pH Temperature 24.7 Deg C

METHOD : Electrical Conductivity

METHOD NO.: UIS-EA-T001 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Conductivity 106 mS/m

TC Temperature 24.7 Deg C

METHOD : Calculated Total Dissolved Solids from EC

METHOD NO.: UIS-CP-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by EC * 6.5 689 mg/l

TDS by EC * 7 742 mg/l

METHOD : Total Dissolved Solids

METHOD NO.: UIS-EA-T005 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Dissolved Solids 732 mg/l

SAMPLE ID : 122628 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/05S DATE RECEIVED : 2009-10-26

METHOD : Calculated Total Dissolved Solids by Summation

METHOD NO.: UIS-CP-T003 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by Summation 765 mg/l

METHOD : P and Total (M) Alkalinity

METHOD NO.: UIS-EA-T002 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

P Alkalinity <0.6 mg/l CaCO3

Total (M) Alkalinity 20.2 mg/l CaCO3

METHOD : Disolved Cations in Water by ICP-OES

METHOD NO.: UIS-TEA-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Al <0.05 mg/l Ba 0.09 mg/l Ca 140 mg/l Fe <0.05 mg/l K 24 mg/l Mg 0.54 mg/l Mn 0.12 mg/l Na 120 mg/l Si 3.45 mg/l Zn 3.98 mg/l

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Ag 0.02 ppm Al <0.01 ppm As <0.01 ppm Au <0.01 ppm B 0.53 ppm Ba 0.16 ppm Be <0.01 ppm Bi <0.01 ppm Ca 140 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 0.13 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

FOSKOR(12114) 49195

SAMPLE ID : 122628 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/05S DATE RECEIVED : 2009-10-26

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

In <0.01 ppm Ir <0.01 ppm K 24 ppm La <0.01 ppm Li 0.04 ppm Lu <0.01 ppm Mg 0.54 ppm Mn 0.15 ppm Mo 0.01 ppm Na 120 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 0.07 ppm Re <0.01 ppm S <0.01 ppm Sb <0.01 ppm Sc <0.01 ppm Se 0.01 ppm Si 3.45 ppm Sm <0.01 ppm Sn <0.01 ppm Sr 3.01 ppm Ta <0.01 ppm Tb <0.01 ppm Te <0.01 ppm Th <0.01 ppm Ti 0.17 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 2.54 ppm Zr <0.01 ppm

METHOD : Anions by Ion Chromatography

METHOD NO.: UIS-EA-T008 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

F 0.85 mg/l Cl 383 mg/l NO3 <0.3 mg/l PO4 <0.8 mg/l SO4 75.5 mg/l Page 3

SAMPLE ID : 122628 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/05S DATE RECEIVED : 2009-10-26

METHOD : Ion Balance Error

METHOD NO.: UIS-CP-T002 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Sum of Cations 13 me/l

Sum of Anions 13 me/l

Ion Balance Error -0.03 %

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

Gerhard van der Linde Tel : +27112544800 Fax : +27113150317 E-Mail : gvanderlinde@golder.co.za

ANALYSIS CERTIFICATE

SAMPLE ID : 122624 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/07D DATE RECEIVED : 2009-10-26

METHOD : pH

METHOD NO.: UIS-EA-T003 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

pH 7.89

pH Temperature 24.4 Deg C

METHOD : Electrical Conductivity

METHOD NO.: UIS-EA-T001 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Conductivity 114 mS/m

TC Temperature 24.4 Deg C

METHOD : Calculated Total Dissolved Solids from EC

METHOD NO.: UIS-CP-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by EC * 6.5 741 mg/l

TDS by EC * 7 798 mg/l

METHOD : Total Dissolved Solids

METHOD NO.: UIS-EA-T005 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Dissolved Solids 714 mg/l

SAMPLE ID : 122624 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/07D DATE RECEIVED : 2009-10-26

METHOD : Calculated Total Dissolved Solids by Summation

METHOD NO.: UIS-CP-T003 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by Summation 734 mg/l

METHOD : P and Total (M) Alkalinity

METHOD NO.: UIS-EA-T002 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

P Alkalinity <0.6 mg/l CaCO3

Total (M) Alkalinity 446 mg/l CaCO3

METHOD : Disolved Cations in Water by ICP-OES

METHOD NO.: UIS-TEA-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Al <0.05 mg/l Ba <0.05 mg/l Ca 50 mg/l Fe 0.16 mg/l K 11 mg/l Mg 39.1 mg/l Mn 0.15 mg/l Na 149 mg/l Si 20.1 mg/l Zn 0.95 mg/l

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Ag 0.04 ppm Al <0.01 ppm As <0.01 ppm Au <0.01 ppm B 0.33 ppm Ba 0.15 ppm Be <0.01 ppm Bi <0.01 ppm Ca 50 ppm Cd <0.01 ppm Ce <0.01 ppm Co <0.01 ppm Cr 0.02 ppm Cs <0.01 ppm Cu <0.01 ppm Dy <0.01 ppm Er <0.01 ppm Eu <0.01 ppm Fe 0.16 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

FOSKOR(12114) 49195

SAMPLE ID : 122624 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/07D DATE RECEIVED : 2009-10-26

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

In <0.01 ppm Ir <0.01 ppm K 11 ppm La <0.01 ppm Li 0.39 ppm Lu <0.01 ppm Mg 39.1 ppm Mn 0.17 ppm Mo 0.02 ppm Na 149 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 20.1 ppm Sm <0.01 ppm Sn <0.01 ppm Sr 0.65 ppm Ta <0.01 ppm Tb <0.01 ppm Te <0.01 ppm Th <0.01 ppm Ti 0.08 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 0.95 ppm Zr <0.01 ppm

METHOD : Anions by Ion Chromatography

METHOD NO.: UIS-EA-T008 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

F 0.99 mg/l Cl 94.1 mg/l NO3 7.08 mg/l NO3 as N 1.6 mg/l PO4 <0.8 mg/l SO4 61.1 mg/l Page 3

SAMPLE ID : 122624 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/07D DATE RECEIVED : 2009-10-26

METHOD : Ion Balance Error

METHOD NO.: UIS-CP-T002 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Sum of Cations 12.5 me/l

Sum of Anions 13 me/l

Ion Balance Error -1.7 %

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

Gerhard van der Linde Tel : +27112544800 Fax : +27113150317 E-Mail : gvanderlinde@golder.co.za

ANALYSIS CERTIFICATE

SAMPLE ID : 122631 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/10M DATE RECEIVED : 2009-10-26

METHOD : pH

METHOD NO.: UIS-EA-T003 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

pH 7.42

pH Temperature 25 Deg C

METHOD : Electrical Conductivity

METHOD NO.: UIS-EA-T001 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Conductivity 365 mS/m

TC Temperature 25.4 Deg C

METHOD : Calculated Total Dissolved Solids from EC

METHOD NO.: UIS-CP-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by EC * 6.5 2370 mg/l

TDS by EC * 7 2560 mg/l

METHOD : Total Dissolved Solids

METHOD NO.: UIS-EA-T005 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Dissolved Solids 1910 mg/l

SAMPLE ID : 122631 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/10M DATE RECEIVED : 2009-10-26

METHOD : Calculated Total Dissolved Solids by Summation

METHOD NO.: UIS-CP-T003 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by Summation 1850 mg/l

METHOD : P and Total (M) Alkalinity

METHOD NO.: UIS-EA-T002 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

P Alkalinity <0.6 mg/l CaCO3

Total (M) Alkalinity 309 mg/l CaCO3

METHOD : Disolved Cations in Water by ICP-OES

METHOD NO.: UIS-TEA-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Al <0.05 mg/l Ba 0.1 mg/l Ca 170 mg/l Fe 0.11 mg/l K 11.7 mg/l Mg 131 mg/l Mn 0.35 mg/l Na 204 mg/l Si 40.5 mg/l Zn 0.11 mg/l

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Ag 0.01 ppm Al <0.01 ppm As <0.01 ppm Au <0.01 ppm B 0.32 ppm Ba 0.09 ppm Be <0.01 ppm Bi <0.01 ppm Ca 170 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 0.48 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

FOSKOR(12114) 49195

SAMPLE ID : 122631 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/10M DATE RECEIVED : 2009-10-26

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

In <0.01 ppm Ir <0.01 ppm K 11.7 ppm La <0.01 ppm Li 0.23 ppm Lu <0.01 ppm Mg 131 ppm Mn 0.41 ppm Mo <0.01 ppm Na 204 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 0.01 ppm Re <0.01 ppm S <0.01 ppm Sb <0.01 ppm Sc 0.02 ppm Se <0.01 ppm Si 40.5 ppm Sm <0.01 ppm Sn <0.01 ppm Sr 1.75 ppm Ta <0.01 ppm Tb <0.01 ppm Te <0.01 ppm Th <0.01 ppm Ti 0.35 ppm Tl <0.01 ppm Tm <0.01 ppm U 0.01 ppm V 0.03 ppm W <0.01 ppm Y <0.01 ppm Yb <0.01 ppm Zn 0.19 ppm Zr <0.01 ppm

METHOD : Anions by Ion Chromatography

METHOD NO.: UIS-EA-T008 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

F 1.73 mg/l Cl 229 mg/l NO3 9.08 mg/l NO3 as N 2.05 mg/l PO4 <0.8 mg/l SO4 795 mg/l Page 3

SAMPLE ID : 122631 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/10M DATE RECEIVED : 2009-10-26

METHOD : Ion Balance Error

METHOD NO.: UIS-CP-T002 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Sum of Cations 28.5 me/l

Sum of Anions 31.3 me/l

Ion Balance Error -4.73 %

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

Gerhard van der Linde Tel : +27112544800 Fax : +27113150317 E-Mail : gvanderlinde@golder.co.za

ANALYSIS CERTIFICATE

SAMPLE ID : 122626 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/10S DATE RECEIVED : 2009-10-26

METHOD : pH

METHOD NO.: UIS-EA-T003 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

pH 7.26

pH Temperature 24.5 Deg C

METHOD : Electrical Conductivity

METHOD NO.: UIS-EA-T001 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Conductivity 400 mS/m

TC Temperature 25.3 Deg C

METHOD : Calculated Total Dissolved Solids from EC

METHOD NO.: UIS-CP-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by EC * 6.5 2600 mg/l

TDS by EC * 7 2800 mg/l

METHOD : Total Dissolved Solids

METHOD NO.: UIS-EA-T005 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Dissolved Solids 2480 mg/l

SAMPLE ID : 122626 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/10S DATE RECEIVED : 2009-10-26

METHOD : Calculated Total Dissolved Solids by Summation

METHOD NO.: UIS-CP-T003 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by Summation 2350 mg/l

METHOD : P and Total (M) Alkalinity

METHOD NO.: UIS-EA-T002 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

P Alkalinity <0.6 mg/l CaCO3

Total (M) Alkalinity 277 mg/l CaCO3

METHOD : Disolved Cations in Water by ICP-OES

METHOD NO.: UIS-TEA-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Al <0.05 mg/l Ba 0.05 mg/l Ca 253 mg/l Fe <0.05 mg/l K 11.4 mg/l Mg 196 mg/l Mn <0.05 mg/l Na 164 mg/l Si 40.4 mg/l Zn 0.75 mg/l

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Ag 0.03 ppm Al <0.01 ppm As <0.01 ppm Au <0.01 ppm B 0.36 ppm Ba 0.06 ppm Be <0.01 ppm Bi <0.01 ppm Ca 253 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 <0.01 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

FOSKOR(12114) 49195

SAMPLE ID : 122626 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/10S DATE RECEIVED : 2009-10-26

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

In <0.01 ppm Ir <0.01 ppm K 11.4 ppm La <0.01 ppm Li 0.14 ppm Lu <0.01 ppm Mg 196 ppm Mn 0.03 ppm Mo 0.01 ppm Na 164 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 <0.01 ppm Re <0.01 ppm S <0.01 ppm Sb <0.01 ppm Sc 0.02 ppm Se <0.01 ppm Si 40.4 ppm Sm <0.01 ppm Sn <0.01 ppm Sr 2.08 ppm Ta <0.01 ppm Tb <0.01 ppm Te <0.01 ppm Th <0.01 ppm Ti 0.52 ppm Tl <0.01 ppm Tm <0.01 ppm U 0.01 ppm V 0.02 ppm W <0.01 ppm Y <0.01 ppm Yb <0.01 ppm Zn 0.83 ppm Zr <0.01 ppm

METHOD : Anions by Ion Chromatography

METHOD NO.: UIS-EA-T008 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

F 1.69 mg/l Cl 233 mg/l NO3 96.6 mg/l NO3 as N 21.8 mg/l PO4 <0.8 mg/l SO4 1120 mg/l Page 3

SAMPLE ID : 122626 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/10S DATE RECEIVED : 2009-10-26

METHOD : Ion Balance Error

METHOD NO.: UIS-CP-T002 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Sum of Cations 36.2 me/l

Sum of Anions 39 me/l

Ion Balance Error -3.69 %

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

Gerhard van der Linde Tel : +27112544800 Fax : +27113150317 E-Mail : gvanderlinde@golder.co.za

ANALYSIS CERTIFICATE

SAMPLE ID : 122623 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/12D DATE RECEIVED : 2009-10-26

METHOD : pH

METHOD NO.: UIS-EA-T003 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

pH 7.36

pH Temperature 24.5 Deg C

METHOD : Electrical Conductivity

METHOD NO.: UIS-EA-T001 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Conductivity 649 mS/m

TC Temperature 25.1 Deg C

METHOD : Calculated Total Dissolved Solids from EC

METHOD NO.: UIS-CP-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by EC * 6.5 4220 mg/l

TDS by EC * 7 4540 mg/l

METHOD : Total Dissolved Solids

METHOD NO.: UIS-EA-T005 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Total Dissolved Solids 4340 mg/l

SAMPLE ID : 122623 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/12D DATE RECEIVED : 2009-10-26

METHOD : Calculated Total Dissolved Solids by Summation

METHOD NO.: UIS-CP-T003 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

TDS by Summation 3800 mg/l

METHOD : P and Total (M) Alkalinity

METHOD NO.: UIS-EA-T002 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

P Alkalinity <0.6 mg/l CaCO3

Total (M) Alkalinity 320 mg/l CaCO3

METHOD : Disolved Cations in Water by ICP-OES

METHOD NO.: UIS-TEA-T001 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Al <0.05 mg/l Ba 0.05 mg/l Ca 311 mg/l Fe <0.05 mg/l K 56.9 mg/l Mg 437 mg/l Mn <0.05 mg/l Na 160 mg/l Si 41.7 mg/l Zn 0.41 mg/l

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Ag 0.05 ppm Al <0.01 ppm As <0.01 ppm Au <0.01 ppm B 0.46 ppm Ba 0.04 ppm Be <0.01 ppm Bi <0.01 ppm Ca 311 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 0.02 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

FOSKOR(12114) 49195

SAMPLE ID : 122623 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/12D DATE RECEIVED : 2009-10-26

METHOD : ICP-MS Scan

METHOD NO.: UIS-AC-T103 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

In <0.01 ppm Ir <0.01 ppm K 56.9 ppm La <0.01 ppm Li 0.07 ppm Lu <0.01 ppm Mg 437 ppm Mn 0.04 ppm Mo 0.02 ppm Na 160 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 0.19 ppm Re <0.01 ppm S <0.01 ppm Sb <0.01 ppm Sc 0.02 ppm Se 0.01 ppm Si 41.7 ppm Sm <0.01 ppm Sn <0.01 ppm Sr 6.23 ppm Ta <0.01 ppm Tb <0.01 ppm Te <0.01 ppm Th <0.01 ppm Ti 0.64 ppm Tl <0.01 ppm Tm <0.01 ppm U 0.01 ppm V 0.02 ppm W <0.01 ppm Y <0.01 ppm Yb <0.01 ppm Zn 0.46 ppm Zr <0.01 ppm

METHOD : Anions by Ion Chromatography

METHOD NO.: UIS-EA-T008 (Accredited) DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

F 1.55 mg/l Cl 456 mg/l NO3 210 mg/l NO3 as N 47.3 mg/l PO4 <0.8 mg/l SO4 1860 mg/l Page 3

SAMPLE ID : 122623 SAMPLE MATRIX : Water

SAMPLE NO.: PEP/12D DATE RECEIVED : 2009-10-26

METHOD : Ion Balance Error

METHOD NO.: UIS-CP-T002 DATE COMPLETED : 2009-11-23

PARAMETER VALUE UNIT

Sum of Cations 59.9 me/l

Sum of Anions 63.4 me/l

Ion Balance Error -2.81 %