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# Gopher Resource Corporation Gopher Resource Corporation Particulate Results Eagan, Minnesota Cartridge Dust Collector Stack Pace Project No. 1007-103 Test 1

Parameter Run 1 Run 2 Run 3 Date of Run 8/3/10 8/3/10 8/3/10 Time of Run 0830-1139 1245-1555 1653-1959 Sample Duration, Minutes 180 180 180
Average Flue Gas Temperature, °F 121.9 128.5 125.4 Moisture Content of Flue Gas, %v/v 2.7 2.0 2.2
Particulate Collected, mg Dry Catch 4.9 6.7 9.5 Inorganic Wet Catch NR NR NR Organic Wet Catch NR NR NR

Volumetric Flow Rate (Rounded to 1000 CFM) 

## ACFM 218,000 211,000 201,000 SCFM 192,000 184,000 176,000 DSCFM 187,000 180,000 172,000 

# Table 7

Sample Volume, Meter Conditions, Ft 3 

## 157.63 153.74 147.02 Sample Volume, Dry Standard, Ft 3 

## 145.07 139.16 133.46

Particulate Concentration Dry Catch, GR/DSCF 0.0005 0.0007 0.0011 Inorganic Wet Catch, GR/DSCF NR NR NR Organic Wet Catch, GR/DSCF NR NR NR Dry Catch+Organic WC, GR/DSCF NA NA NA Total Particulate (PM-10 Eq.), GR/DSCF NA NA NA

Particulate Emission Rate Dry Catch Only, LB/HR 0.84 1.15 1.62 Inorganic Wet Catch Only, LB/HR NR NR NR Organic Wet Catch Only, LB/HR NR NR NR Dry Catch+Organic WC, LB/HR NA NA NA Total Particulate (PM-10 Eq.), LB/HR NA NA NA

NR=Not required or not requested. NA = Not applicable

# Gopher Resource Corporation Gopher Resource Corporation Particulate Results Eagan, Minnesota Cartridge Dust Collector CE008/009 Stack Pace Project No. 1007-103 Test 1

Parameter Run 2 Run 3 Run 4 Date of Run 8/4/10 8/4/10 8/5/10 Time of Run 1253-1559 1655-2000 0723-1026 Sample Duration, Minutes 180 180 180
Average Flue Gas Temperature, °F 114.4 111.0 104.6 Moisture Content of Flue Gas, %v/v 2.3 2.4 1.7
Particulate Collected, mg Dry Catch 5.3 5.8 7.2 Inorganic Wet Catch NR NR NR Organic Wet Catch NR NR NR

Volumetric Flow Rate (Rounded to 1000 CFM) 

## ACFM 138,000 141,000 140,000 SCFM 123,000 126,000 127,000 DSCFM 120,000 123,000 125,000 

# Table 8

Sample Volume, Meter Conditions, Ft 3 

## 143.01 146.12 142.59 Sample Volume, Dry Standard, Ft 3 

## 129.21 132.68 133.33

Particulate Concentration Dry Catch, GR/DSCF 0.00063 0.00067 0.00083 Inorganic Wet Catch, GR/DSCF NR NR NR Organic Wet Catch, GR/DSCF NR NR NR Dry Catch+Organic WC, GR/DSCF NA NA NA Total Particulate (PM-10 Eq.), GR/DSCF NA NA NA

Particulate Emission Rate Dry Catch Only, LB/HR 0.65 0.71 0.89 Inorganic Wet Catch Only, LB/HR NR NR NR Organic Wet Catch Only, LB/HR NR NR NR Dry Catch+Organic WC, LB/HR NA NA NA Total Particulate (PM-10 Eq.), LB/HR NA NA NA

NR=Not required or not requested. NA = Not applicable

# Gopher Resource Corporation Gopher Resource Corporation Particulate Results Eagan, Minnesota Breaker Scrubber Stack Pace Project No. 1007-103 Test 1

Parameter Run 1 Run 2 Run 3 Date of Run 9/14/10 9/14/10 9/14/10 Time of Run 0835-1137 1215-1517 1600-1703 Sample Duration, Minutes 180 180 180
Average Flue Gas Temperature, °F 81.3 77.5 82.4 Moisture Content of Flue Gas, %v/v 3.0 3.5 3.2
Particulate Collected, mg Dry Catch 14.0 14.7 12.7 Inorganic Wet Catch NR NR NR Organic Wet Catch NR NR NR

Volumetric Flow Rate (Rounded to 10 CFM) 

## ACFM 9,210 8,940 8,740 SCFM 8,770 8,580 8,310 DSCFM 8,510 8,280 8,050 

# Table 9

Sample Volume, Meter Conditions, Ft 3 

## 150.92 149.64 145.79 Sample Volume, Dry Standard, Ft 3 

## 146.28 142.14 137.14

Particulate Concentration Dry Catch, GR/DSCF 0.0015 0.0016 0.0014 Inorganic Wet Catch, GR/DSCF NR NR NR Organic Wet Catch, GR/DSCF NR NR NR Dry Catch+Organic WC, GR/DSCF NA NA NA Total Particulate (PM-10 Eq.), GR/DSCF NA NA NA

Particulate Emission Rate Dry Catch Only, LB/HR 0.11 0.11 0.10 Inorganic Wet Catch Only, LB/HR NR NR NR Organic Wet Catch Only, LB/HR NR NR NR Dry Catch+Organic WC, LB/HR NA NA NA Total Particulate (PM-10 Eq.), LB/HR NA NA NA

NR=Not required or not requested. NA = Not applicable

# Gopher Resource Corporation Gopher Resource Corporation Speciated Constituent Results Eagan, Minnesota Cartridge Dust Collector Stack Pace Project No. 1007-103 Test 1

Parameter Run 1 Run 2 Run 3 A verage Date of Run 8/3/10 8/3/10 8/3/10 Time of Run 830-1139 1245-1555 1653-1959 Sample Duration (Minutes) 180 180 180
Stack Temperature (°F) 122 129 125 125 Duct Moisture Content (%v/v) 2.7 2.0 2.2 2.3

Volumetric Flow Rate (Rounded to 1000 CFM) 

## ACFM 218,000 211,000 201,000 210,000 SCFM 192,000 184,000 176,000 184,000 DSCFM 187,000 180,000 172,000 180,000
Constituent Concentration, μg/dscm Arsenic 0.95 2.77 0.92 1.54 Beryllium <0.0061 <0.0061 <0.0066 <0.0063 Cadmium 0.09 0.11 0.05 0.08 Chromium 0.20 0.19 <0.026 0.14 Lead 18 6 17 4 15 9 17 3 

# Table 10

L ea d 18

. 6 17

. 4 15

. 9 17

. 3 Manganese <0.024 <0.024 <0.026 <0.025 Nickel 0.10 0.16 <0.026 0.094
Mercury <0.12 <0.12 <0.13 <0.13

Constituent Mass Rate, LB/HR Arsenic 0.00066 0.00187 0.00059 0.00104 Beryllium <0.000004 <0.000004 <0.000004 <0.000004 

## Cadmium 0.00006 0.00007 0.00003 0.00006 Chromium 0.00014 0.00013 <0.000017 

## 0.00010 Lead 0.013 0.012 0.010 0.012 Manganese <0.000017 <0.000016 <0.000017 <0.000017 

## Nickel 0.000070 0.00011 <0.000017 

## 0.000064
Mercury <0.000085 <0.000082 <0.000085 <0.000084

# Gopher Resource Corporation Gopher Resource Corporation Speciated Constituent Results Eagan, Minnesota Cartridge Dust Collector CE008/009 Stack Pace Project No. 1007-103 Test 1

Parameter Run 1 Run 2 Run 3 A verage Date of Run 8/4/10 8/4/10 8/5/10 Time of Run 1253-1559 1655-2000 723-1026 Sample Duration (Minutes) 180 180 180
Stack Temperature (°F) 114 111 105 110 Duct Moisture Content (%v/v) 2.3 2.4 1.7 2.2

Volumetric Flow Rate (Rounded to 1000 CFM) 

## ACFM 138,000 141,000 140,000 140,000 SCFM 123,000 126,000 127,000 126,000 DSCFM 120,000 123,000 125,000 123,000
Constituent Concentration, μg/dscm Arsenic <0.027 <0.027 <0.026 <0.027 Beryllium <0.0068 <0.0068 <0.0066 <0.0068 Cadmium <0.027 <0.027 <0.026 <0.027 Chromium <0.027 0.068 <0.026 <0.041 Lead 2 56 2 21 2 00 2 26 

# Table 11

L ea d 2

. 56 2

. 21 2

. 00 2

. 26 Manganese 0.54 <0.027 <0.026 <0.198 Nickel <0.027 <0.027 <0.026 <0.027
Mercury <0.14 <0.14 <0.13 <0.14

Constituent Mass Rate, LB/HR Arsenic <0.000012 <0.000013 <0.000012 <0.000012 

## Beryllium <0.000003 <0.000003 <0.000003 <0.000003 

## Cadmium <0.000012 <0.000013 <0.000012 <0.000012 

## Chromium <0.000012 

## 0.000031 <0.000012 <0.000019 

## Lead 0.0012 0.0010 0.0009 0.0010 Manganese 0.00024 <0.000013 <0.000012 <0.000089 

## Nickel <0.000012 <0.000013 <0.000012 <0.000012


## Mercury <0.000062 <0.000063 <0.000062 <0.000062

# Gopher Resource Corporation Gopher Resource Corporation Speciated Constituent Results Eagan, Minnesota Breaker Scrubber Stack Pace Project No. 1007-103 Test 1

Parameter Run 1 Run 2 Run 3 A verage Date of Run 8/3/10 8/3/10 8/3/10 Time of Run 830-1139 1245-1555 1653-1959 Sample Duration (Minutes) 180 180 180
Stack Temperature (°F) 81 77 82 80 Duct Moisture Content (%v/v) 3.0 3.5 3.2 3.2

Volumetric Flow Rate (Rounded to 10 CFM) 

## ACFM 9,210 8,940 8,740 8,960 SCFM 8,770 8,580 8,310 8,560 DSCFM 8,510 8,280 8,050 8,280
Constituent Concentration, μg/dscm Arsenic 0.89 1.08 0.69 0.88 Beryllium <0.0060 <0.0060 <0.0064 <0.0062 Cadmium 0.17 0.27 0.27 0.24 Chromium 0.11 0.36 0.14 0.21 Lead 166 168 234 189 

# Table 12

L ea d 166 168 234 189 Manganese 1.32 1.36 1.18 1.29 Nickel 0.22 0.21 0.48 0.30
Mercury <0.12 <0.12 <0.13 <0.12

Constituent Mass Rate, LB/HR Arsenic 0.000028 0.000033 0.000021 0.000027 Beryllium <0.0000002 <0.0000002 <0.0000002 <0.0000002 

## Cadmium 0.000006 0.000008 0.000008 0.000007 Chromium 0.000004 0.000011 0.000004 0.000006 Lead 0.0053 0.0052 0.0071 0.0059 Manganese 0.000042 0.000042 0.000036 0.000040 Nickel 0.000007 0.000007 0.000015 0.000009
Mercury <0.000004 <0.000004 <0.000004 <0.000004

# Gopher Resource Corporation Gopher Resource Corporation Speciated Constituent Results Eagan, Minnesota Cartridge Dust Collector Stack Pace Project No. 1007-103 Test 1

Parameter Run 1 Run 2 Run 3 A verage Date of Run 8/3/10 8/3/10 8/3/10 Time of Run 830-1139 1245-1555 1653-1959 Sample Duration (Minutes) 180 180 180
Stack Temperature (°F) 122 129 121 124 Duct Moisture Content (%v/v) 3.2 2.2 2.9 2.8

Volumetric Flow Rate (Rounded to 1000 CFM) 

## ACFM 187,000 193,000 194,000 191,000 SCFM 164,000 168,000 171,000 168,000 DSCFM 159,000 165,000 166,000 163,000
Constituent Mass Collected, mg Hexavalent Chromium 0.00017 0.00014 0.00014 0.00015 

# Table 13

Constituent Concentration, μg/dscm Hexavalent Chromium 0.048 0.040 0.038 0.042

Constituent Mass Rate, LB/HR Hexavalent Chromium 0.000028 0.000025 0.000024 0.000026

# Gopher Resource Corporation Gopher Resource Corporation Speciated Constituent Results Eagan, Minnesota Cartridge Dust Collector CE008/009 Stack Pace Project No. 1007-103 Test 1

Parameter Run 1 Run 2 Run 3 A verage Date of Run 8/4/10 8/4/10 8/4/10 Time of Run 848-1154 1253-1559 1655-2000 Sample Duration (Minutes) 180 180 180
Stack Temperature (°F) 110 110 111 111 Duct Moisture Content (%v/v) 2.3 2.4 1.7 2.1

Volumetric Flow Rate (Rounded to 1000 CFM) 

## ACFM 136,000 139,000 138,000 138,000 SCFM 122,000 125,000 124,000 123,000 DSCFM 119,000 122,000 122,000 121,000
Constituent Mass Collected, mg Hexavalent Chromium <0.00010 <0.00011 <0.00011 <0.00011 

# Table 14

Constituent Concentration, μg/dscm Hexavalent Chromium <0.026 <0.029 <0.029 <0.028

Constituent Mass Rate, LB/HR Hexavalent Chromium <0.000012 <0.000013 <0.000013 <0.000013EP

A 114 P R O DU C TIO N I N F O.1 

## T u e s d a y, A u g u s t 3
, 2010
5

- 6 am 6

- 7 am 7

- 8 am 8

- 9 am 9

- 10 am 10

- 11am 11

- 12

pm 12

- 1 pm 1

- 2 pm 2

- 3 pm 3

- 4 pm 4

- 5 pm 5

- 6 pm 6

- 7 pm 7

- 8 pm 8

- 9 pm 9

- 10 pm 10

- 11 pm R A W M AT

. P R O C E SS ING T e s t run s: 8 : 30

- 11 : 39 a m; 12 : 45

- 15 : 55 ; 16 : 53

- 19 : 59 R aw M a t e ri a l T h o u g h pu t ( t o n s / hr) 41

. 95 41

. 95 41

. 95 41

. 95 41

. 95 41

. 95 41

. 95 41

. 95 41

. 95 41

. 95 41

. 95 41

. 95 41

. 95 41

. 95 41

. 95 41

. 95 41

. 95

F a c e V e l o c i ty (f ee t / s e c) 6 6 .8 7 .2 7

CH A R G IN G M AT E R I A L H A ND.

T hr o u g h

- pu t (

t o n s / hr)

F a c e V e l o c i ty (f ee t / s e c) 5 .7 8 7 .5 6 .5 FEE D D R Y E R:

C h a r ge R a t e ( t o n s / hr) 34

. 85 34

. 85 34

. 85 34

. 83 34

. 83 34

. 83 34

. 83 34

. 83 34

. 83 34

. 83 34

. 83 33

.9 33

.9 33

.9 33

.9 33

.9 33

.9 33

.9 O p e r a t in g T e m p e r a t ur e ( F) 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340

BL A ST

C h a r ge R a t e ( t o n s / hr) 4

. 58 4

. 58 4

. 58 4

. 58 4

. 58 4

. 58 4

. 58 4

. 58 4

. 58 4

. 58 4

. 58 4

. 58 4

. 58 4

. 58 4

. 58 4

. 58 4

. 58 4

. 58 O p e r a t in g T e m p ( h o url y av e r a ge F) 864 671 565 717 712 714 621 587 680 572 556 603 715 755 743 596 578 537 L e a d pr o du ct i o n ( t o n s / hr) 2 2 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4

E a s t R e v e rb

C h a r ge R a t e ( t o n s / hr) 35

. 45 35

. 45 35

. 45 35

. 45 35

. 45 35

. 45 35

. 45 35

. 45 35

. 45 35

. 45 35

. 45 35

. 45 35

. 45 35

. 45 35

. 45 35

. 45 35

. 45 35

. 45 O p e r a t in g T e m p

. ( h o url y av e r a ge F) 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ L e a d pr o du ct i o n ( t o n s / hr) 15

. 14 15

. 14 15

. 14 15

. 14 15

. 14 15

. 14 15

. 14 15

. 14 15

. 14 15

. 14 15

. 14 15

. 14 15

. 14 15

. 14 15

. 14 15

. 14 15

. 14 15

. 14

R EFININ G & A LL O Y IN G O PS

P r o du ct i o n (

t o n s / hr)

C a s t i ng Op era t i ons

P r o du ct i o n (

t o n s / hr) 9 K e tt l e s in va ri o u s s

t e p s in t h e pr

o c e ss

P o ur e d 100 t o n s f r o m 7 : 30 p m

- 11 pmEP A 114 P R O DU C TIO N I N F O.1 

## W

e dn e s d a y, A u g u s t 4
, 2010
5

- 6 am 6

- 7 am 7

- 8 am 8

- 9 am 9

- 10 am 10

- 11am 11

- 12

pm 12

- 1 pm 1

- 2 pm 2

- 3 pm 3

- 4 pm 4

- 5 pm 5

- 6 pm 6

- 7 pm 7

- 8 pm 8

- 9 pm 9

- 10 pm 10

- 11 pm R A W MAT

. P R O C E SS I NG T e s t run s: 8 : 48

- 11 : 54 ; 12 : 53

- 15 : 59 ; 16 : 55

- 20 : 00 R aw M a t e ri a l T h o u g h pu t ( t o n s / hr) 40

. 64 40

. 64 40

. 64 40

. 64 40

. 64 40

. 64 40

. 64 40

. 64 40

. 64 40

. 64 40

. 64 40

. 64 40

. 64 40

. 64 40

. 64 40

. 64 40

. 64 40

. 64

F a c e V e l o c i ty (f ee t / s e c) 5 5 .1 3 .3 8

C HA R G I N G M A T E RI A L HA ND.

T hr o u g h

- pu t (

t o n s / hr)

F a c e V e l o c i ty (f ee t / s e c) 7 .3 7 .3 10 .5 6 .1 FEE D D R Y E R:

C h a r ge R a t e ( t o n s / hr) 33

. 88 33

. 88 33

. 88 32

.8 32

.8 32

.8 32

.8 32

.8 32

.8 32

.8 32

.8 31 .2 31 .2 31 .2 31 .2 31 .2 31 .2 31 .2 O p e r a t in g T e m p e r a t ur e ( F) 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340

B L AST

C h a r ge R a t e ( t o n s / hr) 5

. 06 5

. 06 5

. 06 5

. 06 5

. 06 5

. 06 5

. 06 5

. 06 5

. 06 5

. 06 5

. 06 5

. 06 5

. 06 5

. 06 5

. 06 5

. 06 5

. 06 5

. 06 O p e r a t in g T e m p ( h o url y av e r a ge) 595 581 544 634 748 741 714 674 640 526 631 644 542 646 456 421 500 356 L e a d pr o du ct i o n ( t o n s / hr) 3 .5 3

.5 4

.1 4

.1 4

.1 4

.1 4

.1 4

.1 4

.1 4

.1 3

.6 3

.6 3

.6 3

.6 3

.6 3

.6 3

.6 3

.6

E a st R e v e rb

C h a r ge R a t e ( t o n s / hr) 35

. 15 35

. 15 35

. 15 35

. 15 35

. 15 35

. 15 35

. 15 35

. 15 35

. 15 35

. 15 35

. 15 35

. 15 35

. 15 35

. 15 35

. 15 35

. 15 35

. 15 35

. 15 O p e r a t in g T e m p

. ( h o url y av e r a ge F) 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ L e a d pr o du ct i o n ( t o n s / hr) 14

. 65 14

. 65 14

. 65 14

. 65 14

. 65 14

. 65 14

. 65 14

. 65 14

. 65 14

. 65 14

. 65 14

. 65 14

. 65 14

. 65 14

. 65 14

. 65 14

. 65 14

. 65

R EF I N I N G & A LLO Y I N G OPS

P r o du ct i o n (

t o n s / hr)

C as t i ng O p e r a t i ons

P r o du ct i o n (

t o n s / hr) 9 K e tt l e s in va ri o u s s

t a ge s o f t h e pr

o c e ss

35 T o n 5am

- 6

: 15 am 213 t o n s f r o m 7am t hru 1 pm 98 t o n s f r o m 4 : 30 p m

- 7 : 30 pm 66 t o n s f r o m 9 p m - 11 pmE P A 114 PR O DU C T IO N I N FO.1 

## T hu r s d a y , Au g u s

t 5
, 2010
5

- 6 am 6

- 7 am 7

- 8 am 8

- 9 am 9

- 10 am 10

- 11 am 11

- 12

pm 12

- 1 pm 1

- 2 pm 2

- 3 pm 3

- 4 pm 

### R AW M A T

. P R O C ESS I NG t e s t r un f r o m 7:23

- 10:26 am R a w M a t e r i a l T h o u g h pu t ( t o n s / h r) 46.34 46.34 46.34 46.34 46.34 46.34 46.34 46.3

F a ce V e l o c

it y (f ee t/ s ec) 7.2 7.1 6.7



### C H A R G I N G M A T E R I A L H A N D.

T h ro u g h

- pu t

( t o n s / h r)

F a ce V e l o c

it y (f ee t/ s ec) 5.3 7.8 6 

### F EE D D R Y E R:

C h ar ge R a t e ( t o n s / h r) 31.18 31.18 31.18 31.18 31.18 31.18 31.18 31.18 O pe ra ti n g T e m pe ra t u r

e ( F) 1340 1340 1340 1340 1340 1340 1340 1340



### BL A ST

C h ar ge R a t e ( t o n s / h r) 4.77 4.77 4.77 4.77 4.77 4.77 4.77 4.77 O pe ra ti n g T e m p ( h o u r l y av e ra ge F) 549 675 606 576 384 500 635 623 Le a d p ro duc

ti o n ( t o n s / h r) 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1



### E a s t R e v e rb

C h ar ge R a t e ( t o n s / h r) 36.29 36.29 36.29 36.29 36.29 36.29 36.29 36.29 O pe ra ti n g T e m p

. ( h o u r l y av e ra ge F) 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ Le a d p ro duc

ti o n ( t o n s / h r) 15.66 15.66 15.66 15.66 15.66 15.66 15.66 15.66



### R E F I N I N G & A LL O Y I N G O PS

P ro duc ti o n ( t o n s / h r)



### C a st in g Op er

a t ions

P ro duc ti o n ( t o n s / h r) P

o u r ed 97 t o n s f ro m 6 a m

- 10 : 45 am N i ne k e ttl e s i n var i o u s

t a ge s o f t he p ro ce

ssE P A 114 PR O D U C T I O N s c r ubb e r 2010

f i n a l IN F O .1 

### T u e s

d a y , S e pt

. 14
, 2010 

### W ET S

C R U BB E R TE ST
5

- 6 am 6

- 7 am 7

- 8 am 8

- 9 am 9

- 10 am 10

- 11am 11

- 12

pm 12

- 1 pm 1

- 2 pm 2

- 3 pm 3

- 4 pm 4

- 5 pm 5

- 6 pm 6

- 7 pm 7

- 8 pm 8

- 9 pm 9

- 10 pm 10

- 11 pm R A W M AT

. P R O C E SS ING R a w M a t e ri a l T hou g h pu t (t on s / h r) 33

. 63 33

. 27 60

. 11 43

. 26 48

. 90 47

. 57 54

. 77 32

. 55 52

. 80 36

. 30 44

. 00 71

. 50 39

. 60 38

. 50 35

. 20 42

. 90

F a c e V e l o c i ty (f ee t / s e c) 6 .9 7 .2 7 .4 7 .7 13 .7

CH A R G IN G M AT E R I A L H A ND.

T h r ou g h

- pu t (t

on s / h r)

F a c e V e l o c i ty (f ee t / s e c) 4 .3 8 .3 8 .4 5 .4 5 .2 FEE D D R Y E R:

C h a rg e R a t e (t on s / h r) 40 .7 40

.9 41

. 05 41 .2 40 .6 40

.7 40

.6 40

.9 41 .6 40

.1 41 .5 41 .1 41 39 .5 41 .2 41 .5 41 .3 41 .5 O p e r a t i n g T em p e r a t u r e

( F) 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340 1340

BL A ST

C h a rg e R a t e (t on s / h r) 5 .3 5 .3 5 .3 5 .3 5 .3 5 .3 5 .3 5 .3 5 .3 5 .3 5 .3 5 .3 5 .3 5 .3 5 .3 5 .3 5 .3 5 .3 O p e r a t i n g T em p ( hou rl y a v e r a g e) 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 L e a d p r odu ct i on (T on s) 4

.1 4

.2 3 .1 2 7 .7 3 4 .9 2 .9 3 .9 4 4 .8 3 .8 3 .8 4 .1 4

.8 4

.7 3 .9 2 .8

E a s t R e v e rb

C h a rg e R a t e (t on s / h r) 40 .7 40

.9 41

. 05 41 .2 40 .6 40

.7 40

.6 40

.9 41 .6 40

.1 41 .5 41 .1 41 39 .5 41 .2 41 .5 41 .3 41 .5 O p e r a t i n g T em p. ( hou rl y a v e r a g e) 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ 2400+ L e a d p r odu ct i on (T on s) 16

.3 17 .1 16

.3 18

.1 12 .5 15 .3 16 .9 16

.7 18

.6 19

.5 18

.5 15 .3 17 .9 20 18 21 .7 16 .9 15 .7

R EFININ G & A LL O Y IN G O PS

P r odu ct i on (t

on s / h r)

C a s t i ng Op era t i ons

P r odu ct i on (t

on s / h r) 9 K e tt l e s i n v a ri ou s s t a g e s o f t h e p r o c e ss

P ou r e d 66 t

ons P ou r e d 104 t

on s f r om 12 : 30

pm

- 5 : 15 pm P ou r e d 103 t

on s f r om 6

- 9 pm