Pyxis Laboratories 12423 NE Whitaker Way Portland, OR 97230 503-254-1794



### Sincerely,

Mark Leed Technical Services Sincerely,

Linda Bangs Quality Services Job Number: 52513 Report Date: 05/28/2010 ORELAP #: OR100028 Purchase Order: Project Name: 10072.2 Project No: TransAlta ICR



### Cover Letter Kevin Donahoe The Avogadro Group, LLC 3003 SW 153rd Dr. Ste. 215 BEAVERTON, OR, 97006 Dear Kevin Donahoe, Enclosed please find Pyxis Laboratories analytical report for order number 52513. Sho uld you have any questions about this report or any other matter, please do not hesitate to contact us. We are here to help you. The samples listed on the following pages were received at the Portland branch of Pyx is Laboratories on 03/26/2010 as order 52513. Test results relate only to the parameters tested and to the samples as received by t he laboratory. Test results meet all requirements of NELAC and the Pyxis quality assurance plan unless otherwise noted. Th is report shall not be reproduced, except in full, without the written consent of this laboratory. Samples will be kept a maximum of 15 days from the report date unless prior arrangements have been made.

Thank you for allowing Pyxis to be of service to you, we appreciate your business. Job Number: 52513

1 of 3 05/28/10 14:15Pyxis Laboratories 12423 NE Whitaker Way Portland, OR 97230 503-254-1794 Job Number: 52513 Report Date: 05/28/2010 ORELAP #: OR100028 Purchase Order: Project Name: 10072.2 Project No: TransAlta ICR



### Sample Results 1 - TSS/TDS-1 (A,B,C) Collected: 03/24/10 By: Client Matrix: General Water Analyte Result Units MRL Dilution Batch Start / Extract Analyzed Analyst Method Notes Total Suspended Solids 82000 mg/L 200 10 4454-14 05/27/10 09:00 JMB SM 2540-D
Total Solids 17 % 0.05 1 4461-3 05/26/10 09:00 JMB SM 2540-B



### 2 - TSS/TDS-1 (A,B,C) Collected: 03/25/10 By: Client Matrix: General Water Analyte Result Units MRL Dilution Batch Start / Extract Analyzed Analyst Method Notes Total Suspended Solids 38000 mg/L 200 10 4454-15 05/27/10 09:00 JMB SM 2540-D
Total Solids 15 % 0.05 1 4461-4 05/26/10 09:00 JMB SM 2540-B



### 3 - TSS/TDS-1 (A,B,C) Collected: 03/25/10 By: Client Matrix: General Water Analyte Result Units MRL Dilution Batch Start / Extract Analyzed Analyst Method Notes Total Suspended Solids 37000 mg/L 200 10 4454-16 05/27/10 09:00 JMB SM 2540-D
Total Solids 17 % 0.05 1 4461-5 05/26/10 09:00 JMB SM 2540-B



### 1 - TSS/TDS-2 (A,B,C) Collected: 03/23/10 By: Client Matrix: General Water Analyte Result Units MRL Dilution Batch Start / Extract Analyzed Analyst Method Notes Total Suspended Solids 34000 mg/L 200 10 4454-17 05/27/10 09:00 JMB SM 2540-D
Total Solids 16 % 0.05 1 4461-6 05/26/10 09:00 JMB SM 2540-B



### 2 - TSS/TDS-2 (A,B,C) Collected: 03/23/10 By: Client Matrix: General Water Analyte Result Units MRL Dilution Batch Start / Extract Analyzed Analyst Method Notes Total Suspended Solids 43000 mg/L 200 10 4454-18 05/27/10 09:00 JMB SM 2540-D
Total Solids 12 % 0.05 1 4461-7 05/26/10 09:00 JMB SM 2540-B



### 3 - TSS/TDS-2 (A,B,C) Collected: 03/24/10 By: Client Matrix: General Water Analyte Result Units MRL Dilution Batch Start / Extract Analyzed Analyst Method Notes Total Suspended Solids 93000 mg/L 200 10 4454-19 05/27/10 09:00 JMB SM 2540-D
Total Solids 18 % 0.05 1 4461-8 05/26/10 09:00 JMB SM 2540-B 

### Job Number: 52513

2 of 3 05/28/10 14:15Pyxis Laboratories 12423 NE Whitaker Way Portland, OR 97230 503-254-1794 

### Laboratory Quality Control Results SM 2540-D

QC - Method Blank Batch ID: 4454-1

Analyte Result Expected Units % Recovery Limits RPD Limit Notes Total Suspended Solids ND ND mg/L

--- --- --- --- 

### QC - Laboratory Control Sample - Standard: S0040668 Batch ID: 4454-2

Analyte Result Expected Units % Recovery Limits RPD Limit Notes Total Suspended Solids 340 350 mg/L 96 75-125

--- --- 

### QC - Sample Duplicate - Sample item #: 13 Batch ID: 4454-3

Analyte Result Expected Units % Recovery Limits RPD Limit Notes Total Suspended Solids 520 500 mg/L

--- --- 3 25 

### SM 2540-B

QC - Method Blank Batch ID: 4461-1

Analyte Result Expected Units % Recovery Limits RPD Limit Notes Total Solids ND ND %

--- --- --- --- 

### QC - Laboratory Control Sample - Standard: S0040668 Batch ID: 4461-2

Analyte Result Expected Units % Recovery Limits RPD Limit Notes Total Solids 0.13 0.14 % 92 80-120

--- --- 

### QC - Sample Duplicate - Sample item #: 5 Batch ID: 4461-10

Analyte Result Expected Units % Recovery Limits RPD Limit Notes Total Solids 16 17 %

--- --- 5 25

Abbreviations MRL Method Reporting Limit ND None Detected at or above the MRL RPD Relative Percent Difference Units of Measure: % Percent mg/L Milligrams Per Liter Job Number: 52513 Report Date: 05/28/2010 ORELAP #: OR100028 Purchase Order: Project Name: 10072.2 Project No: TransAlta ICR 

### Job Number: 52513

3 of 3 05/28/10 14:15