## Customer #: 201493

New Madrid, MO 63869 Noranda Aluminum, Inc. PO Box 70 Report Date: 06/06/11 Date Received: 05/16/11 14:40 Attn: Nancy Halford 3278 N. Highway 67 - Florissant, MO 63033 (314) 432-0550 - (800) 333-FAST (3278) - FAX (314) 432-4977



## PO#: Paid by MC

Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 1 #1 

### Sample No:1051607-01 

### Collect Date:05/09/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 11:58 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 11:58 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 11:58 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 11:58 SW 6020 KMC < 10 mg/kg wet Chromium 05/23/11 11:58 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 11:58 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 11:58 SW 6020 KMC < 10 mg/kg wet Manganese 05/23/11 11:58 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 11:58 SW 6020 KMC 75 mg/kg wet Selenium 05/23/11 11:58 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 1 #2 

### Sample No:1051607-02 

### Collect Date:05/10/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 12:02 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 12:02 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 12:02 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 12:02 SW 6020 KMC < 10 mg/kg wet Chromium 05/23/11 12:02 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 12:02 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 12:02 SW 6020 KMC < 10 mg/kg wet Manganese 05/23/11 12:02 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 12:02 SW 6020 KMC 85 mg/kg wet Selenium 05/23/11 12:02 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 1 #3 

### Sample No:1051607-03 

### Collect Date:05/11/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 12:06 SW 6020 KMC < 30 mg/kg wet
1051607 

## Page 1 of 18

## Customer #: 201493

New Madrid, MO 63869 Noranda Aluminum, Inc. PO Box 70 Report Date: 06/06/11 Date Received: 05/16/11 14:40 Attn: Nancy Halford 3278 N. Highway 67 - Florissant, MO 63033 (314) 432-0550 - (800) 333-FAST (3278) - FAX (314) 432-4977



## PO#: Paid by MC

Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 1 #3 

### Sample No:1051607-03 

### Collect Date:05/11/11 00:00
Analyst Qual Total Metals - PIA Arsenic 05/23/11 12:06 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 12:06 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 12:06 SW 6020 KMC < 10 mg/kg wet Chromium 05/23/11 12:06 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 12:06 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 12:06 SW 6020 KMC < 10 mg/kg wet Manganese 05/23/11 12:06 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 12:06 SW 6020 KMC 110 mg/kg wet Selenium 05/23/11 12:06 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 1 #4 

### Sample No:1051607-04 

### Collect Date:05/12/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 12:10 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 12:10 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 12:10 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 12:10 SW 6020 KMC < 10 mg/kg wet Chromium 05/23/11 12:10 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 12:10 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 12:10 SW 6020 KMC < 10 mg/kg wet Manganese 05/23/11 12:10 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 12:10 SW 6020 KMC 110 mg/kg wet Selenium 05/23/11 12:10 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 1 #5 

### Sample No:1051607-05 

### Collect Date:05/13/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 12:13 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 12:13 SW 6020 KMC < 10 mg/kg wet
1051607 

## Page 2 of 18

## Customer #: 201493

New Madrid, MO 63869 Noranda Aluminum, Inc. PO Box 70 Report Date: 06/06/11 Date Received: 05/16/11 14:40 Attn: Nancy Halford 3278 N. Highway 67 - Florissant, MO 63033 (314) 432-0550 - (800) 333-FAST (3278) - FAX (314) 432-4977



## PO#: Paid by MC

Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 1 #5 

### Sample No:1051607-05 

### Collect Date:05/13/11 00:00
Analyst Qual Total Metals - PIA Beryllium 05/23/11 12:13 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 12:13 SW 6020 KMC < 10 mg/kg wet Chromium 05/23/11 12:13 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 12:13 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 12:13 SW 6020 KMC < 10 mg/kg wet Manganese 05/23/11 12:13 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 12:13 SW 6020 KMC 110 mg/kg wet Selenium 05/23/11 12:13 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 2 #1 

### Sample No:1051607-06 

### Collect Date:05/09/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 12:17 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 12:17 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 12:17 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 12:17 SW 6020 KMC < 10 mg/kg wet Chromium 05/23/11 12:17 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 12:17 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 12:17 SW 6020 KMC 13 mg/kg wet Manganese 05/23/11 12:17 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 12:17 SW 6020 KMC 65 mg/kg wet Selenium 05/23/11 12:17 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 2 #2 

### Sample No:1051607-07 

### Collect Date:05/10/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 12:21 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 12:21 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 12:21 SW 6020 KMC < 10 mg/kg wet
1051607 

## Page 3 of 18

## Customer #: 201493

New Madrid, MO 63869 Noranda Aluminum, Inc. PO Box 70 Report Date: 06/06/11 Date Received: 05/16/11 14:40 Attn: Nancy Halford 3278 N. Highway 67 - Florissant, MO 63033 (314) 432-0550 - (800) 333-FAST (3278) - FAX (314) 432-4977



## PO#: Paid by MC

Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 2 #2 

### Sample No:1051607-07 

### Collect Date:05/10/11 00:00
Analyst Qual Total Metals - PIA Cadmium 05/23/11 12:21 SW 6020 KMC < 10 mg/kg wet Chromium 05/23/11 12:21 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 12:21 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 12:21 SW 6020 KMC 11 mg/kg wet Manganese 05/23/11 12:21 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 12:21 SW 6020 KMC 70 mg/kg wet Selenium 05/23/11 12:21 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 2 #3 

### Sample No:1051607-08 

### Collect Date:05/11/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 12:25 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 12:25 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 12:25 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 12:25 SW 6020 KMC < 10 mg/kg wet Chromium 05/23/11 12:25 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 12:25 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 12:25 SW 6020 KMC < 10 mg/kg wet Manganese 05/23/11 12:25 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 12:25 SW 6020 KMC < 50 mg/kg wet Selenium 05/23/11 12:25 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 2 #4 

### Sample No:1051607-09 

### Collect Date:05/12/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 12:41 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 12:41 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 12:41 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 12:41 SW 6020 KMC < 10 mg/kg wet
1051607 

## Page 4 of 18

## Customer #: 201493

New Madrid, MO 63869 Noranda Aluminum, Inc. PO Box 70 Report Date: 06/06/11 Date Received: 05/16/11 14:40 Attn: Nancy Halford 3278 N. Highway 67 - Florissant, MO 63033 (314) 432-0550 - (800) 333-FAST (3278) - FAX (314) 432-4977



## PO#: Paid by MC

Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 2 #4 

### Sample No:1051607-09 

### Collect Date:05/12/11 00:00
Analyst Qual Total Metals - PIA Chromium 05/23/11 12:41 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 12:41 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 12:41 SW 6020 KMC 10 mg/kg wet Manganese 05/23/11 12:41 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 12:41 SW 6020 KMC 53 mg/kg wet Selenium 05/23/11 12:41 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 2 #5 

### Sample No:1051607-10 

### Collect Date:05/13/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 12:45 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 12:45 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 12:45 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 12:45 SW 6020 KMC < 10 mg/kg wet Chromium 05/23/11 12:45 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 12:45 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 12:45 SW 6020 KMC 11 mg/kg wet Manganese 05/23/11 12:45 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 12:45 SW 6020 KMC 63 mg/kg wet Selenium 05/23/11 12:45 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 3 #1 

### Sample No:1051607-11 

### Collect Date:05/09/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 12:49 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 12:49 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 12:49 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 12:49 SW 6020 KMC < 10 mg/kg wet Chromium 05/23/11 12:49 SW 6020 KMC < 40 mg/kg wet
1051607 

## Page 5 of 18

## Customer #: 201493

New Madrid, MO 63869 Noranda Aluminum, Inc. PO Box 70 Report Date: 06/06/11 Date Received: 05/16/11 14:40 Attn: Nancy Halford 3278 N. Highway 67 - Florissant, MO 63033 (314) 432-0550 - (800) 333-FAST (3278) - FAX (314) 432-4977



## PO#: Paid by MC

Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 3 #1 

### Sample No:1051607-11 

### Collect Date:05/09/11 00:00
Analyst Qual Total Metals - PIA Cobalt 05/23/11 12:49 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 12:49 SW 6020 KMC < 10 mg/kg wet Manganese 05/23/11 12:49 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 12:49 SW 6020 KMC 54 mg/kg wet Selenium 05/23/11 12:49 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 3 #2 

### Sample No:1051607-12 

### Collect Date:05/10/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 12:53 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 12:53 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 12:53 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 12:53 SW 6020 KMC < 10 mg/kg wet Chromium 05/23/11 12:53 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 12:53 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 12:53 SW 6020 KMC < 10 mg/kg wet Manganese 05/23/11 12:53 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 12:53 SW 6020 KMC 69 mg/kg wet Selenium 05/23/11 12:53 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 3 #3 

### Sample No:1051607-13 

### Collect Date:05/11/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 12:57 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 12:57 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 12:57 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 12:57 SW 6020 KMC < 10 mg/kg wet Chromium 05/23/11 12:57 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 12:57 SW 6020 KMC < 20 mg/kg wet
1051607 

## Page 6 of 18

## Customer #: 201493

New Madrid, MO 63869 Noranda Aluminum, Inc. PO Box 70 Report Date: 06/06/11 Date Received: 05/16/11 14:40 Attn: Nancy Halford 3278 N. Highway 67 - Florissant, MO 63033 (314) 432-0550 - (800) 333-FAST (3278) - FAX (314) 432-4977



## PO#: Paid by MC

Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 3 #3 

### Sample No:1051607-13 

### Collect Date:05/11/11 00:00
Analyst Qual Total Metals - PIA Lead 05/23/11 12:57 SW 6020 KMC < 10 mg/kg wet Manganese 05/23/11 12:57 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 12:57 SW 6020 KMC 85 mg/kg wet Selenium 05/23/11 12:57 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 3 #4 

### Sample No:1051607-14 

### Collect Date:05/12/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 13:01 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 13:01 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 13:01 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 13:01 SW 6020 KMC < 10 mg/kg wet Chromium 05/23/11 13:01 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 13:01 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 13:01 SW 6020 KMC < 10 mg/kg wet Manganese 05/23/11 13:01 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 13:01 SW 6020 KMC 53 mg/kg wet Selenium 05/23/11 13:01 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 3 #5 

### Sample No:1051607-15 

### Collect Date:05/13/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 13:04 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 13:04 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 13:04 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 13:04 SW 6020 KMC < 10 mg/kg wet Chromium 05/23/11 13:04 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 13:04 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 13:04 SW 6020 KMC < 10 mg/kg wet
1051607 

## Page 7 of 18

## Customer #: 201493

New Madrid, MO 63869 Noranda Aluminum, Inc. PO Box 70 Report Date: 06/06/11 Date Received: 05/16/11 14:40 Attn: Nancy Halford 3278 N. Highway 67 - Florissant, MO 63033 (314) 432-0550 - (800) 333-FAST (3278) - FAX (314) 432-4977



## PO#: Paid by MC

Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Reacted Alumina Line 3 #5 

### Sample No:1051607-15 

### Collect Date:05/13/11 00:00
Analyst Qual Total Metals - PIA Manganese 05/23/11 13:04 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 13:04 SW 6020 KMC 150 mg/kg wet Selenium 05/23/11 13:04 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Carbon Bake #1 

### Sample No:1051607-16 

### Collect Date:05/09/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 13:08 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 13:08 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 13:08 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 13:08 SW 6020 KMC 19 mg/kg wet Chromium 05/23/11 13:08 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 13:08 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 13:08 SW 6020 KMC 190 mg/kg wet Manganese 05/23/11 13:08 SW 6020 KMC 14 mg/kg wet Nickel 05/23/11 13:08 SW 6020 KMC < 50 mg/kg wet Selenium 05/23/11 13:08 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Carbon Bake #2 

### Sample No:1051607-17 

### Collect Date:05/10/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 13:12 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 13:12 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 13:12 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 13:12 SW 6020 KMC < 10 mg/kg wet Chromium 05/23/11 13:12 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 13:12 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 13:12 SW 6020 KMC < 10 mg/kg wet Manganese 05/23/11 13:12 SW 6020 KMC < 10 mg/kg wet
1051607 

## Page 8 of 18

## Customer #: 201493

New Madrid, MO 63869 Noranda Aluminum, Inc. PO Box 70 Report Date: 06/06/11 Date Received: 05/16/11 14:40 Attn: Nancy Halford 3278 N. Highway 67 - Florissant, MO 63033 (314) 432-0550 - (800) 333-FAST (3278) - FAX (314) 432-4977



## PO#: Paid by MC

Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Carbon Bake #2 

### Sample No:1051607-17 

### Collect Date:05/10/11 00:00
Analyst Qual Total Metals - PIA Nickel 05/23/11 13:12 SW 6020 KMC < 50 mg/kg wet Selenium 05/23/11 13:12 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Carbon Bake #3 

### Sample No:1051607-18 

### Collect Date:05/11/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 13:16 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 13:16 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 13:16 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 13:16 SW 6020 KMC 11 mg/kg wet Chromium 05/23/11 13:16 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 13:16 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 13:16 SW 6020 KMC 140 mg/kg wet Manganese 05/23/11 13:16 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 13:16 SW 6020 KMC < 50 mg/kg wet Selenium 05/23/11 13:16 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Carbon Bake #4 

### Sample No:1051607-19 

### Collect Date:05/12/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 13:32 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 13:32 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 13:32 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 13:32 SW 6020 KMC 11 mg/kg wet Chromium 05/23/11 13:32 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 13:32 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 13:32 SW 6020 KMC 140 mg/kg wet Manganese 05/23/11 13:32 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 13:32 SW 6020 KMC < 50 mg/kg wet
1051607 

## Page 9 of 18

## Customer #: 201493

New Madrid, MO 63869 Noranda Aluminum, Inc. PO Box 70 Report Date: 06/06/11 Date Received: 05/16/11 14:40 Attn: Nancy Halford 3278 N. Highway 67 - Florissant, MO 63033 (314) 432-0550 - (800) 333-FAST (3278) - FAX (314) 432-4977



## PO#: Paid by MC

Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Carbon Bake #4 

### Sample No:1051607-19 

### Collect Date:05/12/11 00:00
Analyst Qual Total Metals - PIA Selenium 05/23/11 13:32 SW 6020 KMC < 10 mg/kg wet



### Result Parameters Analysis Date Method 

### Matrix:Solid 

### Sample Description:Carbon Bake #5 

### Sample No:1051607-20 

### Collect Date:05/13/11 00:00
Analyst Qual Total Metals - PIA Antimony 05/23/11 13:36 SW 6020 KMC < 30 mg/kg wet Arsenic 05/23/11 13:36 SW 6020 KMC < 10 mg/kg wet Beryllium 05/23/11 13:36 SW 6020 KMC < 10 mg/kg wet Cadmium 05/23/11 13:36 SW 6020 KMC 13 mg/kg wet Chromium 05/23/11 13:36 SW 6020 KMC < 40 mg/kg wet Cobalt 05/23/11 13:36 SW 6020 KMC < 20 mg/kg wet Lead 05/23/11 13:36 SW 6020 KMC 140 mg/kg wet Manganese 05/23/11 13:36 SW 6020 KMC < 10 mg/kg wet Nickel 05/23/11 13:36 SW 6020 KMC < 50 mg/kg wet Selenium 05/23/11 13:36 SW 6020 KMC < 10 mg/kg wet Q2

1051607 

## Page 10 of 18

## Customer #: 201493

New Madrid, MO 63869 Noranda Aluminum, Inc. PO Box 70 Report Date: 06/06/11 Date Received: 05/16/11 14:40 Attn: Nancy Halford 3278 N. Highway 67 - Florissant, MO 63033 (314) 432-0550 - (800) 333-FAST (3278) - FAX (314) 432-4977



## PO#: Paid by MC 

## Notes This report shall not be reproduced, except in full, without the written approval of the laboratory. PDC Laboratories participates in the following accreditation/certification and proficiency programs at the following locations. Endorsement by Federal or State Governments or their agencies is not implied. PIA PDC Laboratories - Peoria, IL NELAC Accreditation for Drinking Water, Wastewater, Hazardous and Solid Wastes Fields of Testing through IL EPA Lab No. 100230 Illinois Department of Public Health Bacteriological Analysis in Drinking Water Approved Laboratory Registry No. 17553 Drinking Water Certifications: Kansas (E-10338); Missouri (870); Wisconsin (998284430); Indiana (C-IL-040); Iowa (240) Wastewater Certifications: Arkansas (88-0677); Wisconsin (998284430); Iowa (240); Kansas (E-10335) Hazardous/Solid Waste Certifications; Arkansas (88-0677); Wisconsin (998284430); Iowa (240); Kansas (E-10335) UST Certification; Iowa (240) SPM PDC Laboratories - Springfield, MO EPA DMR-QA Program STL PDC Laboratories - St. Louis, MO NELAC Accreditation for Wastewater, Hazardous and Solid Wastes Fields of Testing Q2 MSD failed %R

Roxann L. Shull, Client Services Supervisor Certified by:

1051607 

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