QC REPORT
APPLICANT: Cinotech Consultants Limited Laboratory No.: 01750
1601-1610 Delta House, Date of Issue: 2005/06/01
3 On Yiu Street, Date Received: 2005/05/31
Shatin, N.T. Date Tested: 2005/06/01
Date Completed: 2005/06/01
ATTN: Mr. Henry Leung Page: 1 of 1
Sampling Site: Ting Ping Chau
Project No.: MA4017
Sampling Date: 2005/05/31
Number of Sample: 30
Custody No.: 50531-1
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Total Suspended Solids Duplicate Analysis QC Recovery, %
Sampling Point Trial 1, mg/L Trial 2, mg/L Difference, %  
PC-I2-Se 3 3 4 83
PC-C2-Mf 5 5 2 92
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PREPARED AND CHECKED BY:
For and On Behalf of WELLAB Ltd.
_______________________
PATRICK TSE
Operation Manager