Government Laboratory
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Controlled Drugs Sections
The Controlled Drugs Sections undertake analysis of substances suspected to be controlled under the Dangerous Drugs Ordinance, the Pharmacy and Poisons Ordinance, the Antibiotics Ordinance or the Control of Chemicals Ordinance.
Cases submitted to the sections contain items ranging from drugs of abuse seized from addicts to large consignments of pharmaceutical products seized from illegal clinics and unauthorised sellers, as well as drugs, chemicals and paraphernalia from illicit drugs manufacturing scenes. The major clients are the Hong Kong Police Force, the Customs and Excise Department and the Pharmaceutical Service of the Department of Health.
Every effort is made in the analytical procedure to eliminate error by improving analytical techniques and enforcing a rigorous checking procedure to ensure that accuracy is of the highest standard. Every item is screened systematically for any controlled substances. Each suspicious drug substance is then structurally confirmed by infrared spectrometry and/or mass spectroscopy and quantified by chromatographic and spectroscopic methods. All results are subjected to a rigorous two-tier checking system.
The professional staff in the sections are as follows:
Controlled Drugs A Section
| Senior Chemist and Chemist (E-mail address) |
Tel. No. |
| Mr. C W Lee, Senior Chemist (cwlee@govtlab.gov.hk) |
2762-3804 |
| Mr. C W Hung , Chemist (cwhung@govtlab.gov.hk) |
2762-3803 |
| Mrs. Florence S Y Chan Lau, Chemist (syfchan@govtlab.gov.hk) |
2762-3803 |
| Dr. K M Lo, Chemist (kmlo@govtlab.gov.hk) |
2762-3801 |
Controlled Drugs B Section
| Senior Chemist and Chemist (E-mail address) |
Tel. No. |
| Dr. K M Lai, Senior Chemist (kmlai@govtlab.gov.hk) |
2762-3808 |
| Dr. David T W Chan, Chemist (twdchan@govtlab.gov.hk) |
2762-3805 |
| Mr. N C Kwok, Chemist (nckwok@govtlab.gov.hk) |
2762-3805 |
| Ms. S M Leung, Chemist (smleung@govtlab.gov.hk) |
2762-3802 |
| Ms. Nora S W Shum, Chemist (norashum@govtlab.gov.hk) |
2762-3815 |
| Dr. Edward T T Wong, Chemist (ttwong@govtlab.gov.hk) |
2762-3802 |
The key instruments of the Controlled Drugs Sections are Gas chromatograph - mass spectrometers and High performance liquid chromatograph - mass spectrometers.
Key Performance Measures Relating to the Forensic Science Services
Targets
Targets are defined as the percentage of completed cases whose individual case-completion time does not exceed a specified number of working day(s).
| Category | Targets | 2009 (Actual) |
2010 (Actual) |
2011 (Plan) |
| Illicit drug seizures completed within 11 working days (%) | 90 | 88 | 89 | 90 |
| Major illicit drug seizures and manufacturing completed within 44 working days (%) | 90 | 82 | 93 | 90 |
| Other illegal drug activities completed within 120 working days (%) | 90 | 100 | 95 | 90 |
Key Indicators
Key indicators are the number of cases completed
| Number of Cases Investigated | 2009 (Actual) |
2010 (Actual) |
2011 (Estimate) |
| Controlled drugs | 7,403 | 5,627 | 6,600 |
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