HYDRO20165

• Permit No: M1977208
• IBM Index Class Name: Hydrology
• Doc Date: 8/2/2004
• Doc Name: Water Samples of 07/02/04
• From: Paragon Analytics
• To: CEMEX Inc.
• Media Type: D
• Archive: No

Alkalinity as Calcium Carbonate
Method EPA310.1
Laboratory Control Sample
Lab Name: Paragon Analytics
Work Order Number: 0407037
Client Name: CEMEX, Inc.
ClientProject ID
' Sample Matrix: WATER prep Batch: AK040707-1 Sample Aliquot: 100 ml
ID AK040707 1LCS I
Lab
Moisture: N/A OCBatchlD: AK040707-1-1 Final Volume: 100 ml
Date Collected: N/A Run ID: AK040707-tA Result Units: mg/I
Date Extracted: 07/07/2004 Cleanup: NONE Clean DF: 1
Date Analyzed: 07/07/2004 Basis: N/A

CASNO Target Analyte Spike
Added LCS
Result Reporting
Limit Result LCS %
Qualifier Rec. Control
Limits
11-43-8 TOTAL ALKALINITY As CaC03 100 101 I 5 101 85 - 115%
Data Package ID: AK0407037-1
Date Printed: Friday, July 23, 2004 Paragon Analytics Page 1 of 1
LIMS Version: 5.041A