QC REPORT
APPLICANT: Cinotech Consultants Limited Laboratory No.: 01906
1602-1610 Delta House, Date of Issue: 2005/07/11
3 On Yiu Street, Date Received: 2005/07/08
Shatin, N.T. Date Tested: 2005/07/11
Date Completed: 2005/07/11
ATTN: Mr. Henry Leung Page: 1 of 1
Sampling Site: Tung Ping Chau
Project No.: MA4017
Sampling Date: 2005/07/08
Number of Sample: 30
Custody No.: MA4017/50708-01
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Total Suspended Solids Duplicate Analysis QC Recovery, %
Sampling Point Trial 1, mg/L Trial 2, mg/L Difference, %  
PC-C1-Se 4.0 3.3 20 91
PC-I2-Me 5.5 4.8 14 86
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PREPARED AND CHECKED BY:
For and On Behalf of WELLAB Ltd.
_______________________
PATRICK TSE
Operation Manager