QC REPORT
APPLICANT: Cinotech Consultants Limited Laboratory No.: 01862
1602-1610 Delta House, Date of Issue: 2005/06/29
3 On Yiu Street, Date Received: 2005/06/28
Shatin, N.T. Date Tested: 2005/06/29
Date Completed: 2005/06/29
ATTN: Mr. Henry Leung Page: 1 of 1
Sampling Site: Po Toi
Project No.: MA4017
Sampling Date: 2005/06/28
Number of Sample: 30
Custody No.: MA4017/50628-01
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Total Suspended Solids Duplicate Analysis QC Recovery, %
Sampling Point Trial 1, mg/L Trial 2, mg/L Difference, %  
PT-C1-Se 5 5 0 86
PT-C2-Bf 5 5 4 89
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PREPARED AND CHECKED BY:
For and On Behalf of WELLAB Ltd.
_______________________
PATRICK TSE
Operation Manager