Analytical & Advisory Services Division

[ About the Section | Responsibilities | Key Personnel |
  Quality Assurance | Key Instruments | Targets and Key Indicators ]
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Residues Section

About the Section

The Section provides analytical and advisory support to the Food and Environmental Hygiene Department and the Agriculture, Fisheries and Conservation Department for the protection of public health and safety, and for support of their statutory functions under various Regulations and Ordinances. Major areas of work include the examination of trace levels of veterinary drug and pesticide residues in imported and locally manufactured food samples. Analytical services are also provided to the Agriculture, Fisheries and Conservation Department for the examination of pesticides in various types of formulated products. Analytical reports produced by the Section are admissible in courts of law as evidence of compliance or otherwise with the legislative requirements.

Responsibilities

This Section conducts analyses for enforcement of the following regulations under the Ordinances:

  • Harmful Substances in Food Regulations under the Public Health and Municipal Services Ordinance (Cap. 132)
  • Public Health (Animals and Birds) (Chemical Residues) Regulation under the Public Health (Animals and Birds) Ordinance (Cap.139)
  • Pesticides Ordinance (Cap. 133)

Key Personnel

Senior Chemist: Dr. Clare Ho
(Tel. No.:2538-2012 E-mail: cho@govtlab.gov.hk)

Chemist
(E-mail address)		 Tel. No.
Mr. Andy C M Chan, Chemist
(cmchan@govtlab.gov.hk)		 2538-2020
Dr. H S Chu, Chemist
(hschu@govtlab.gov.hk)		 2538-2017
Dr. C H Lam, Chemist
(chlam2@govtlab.gov.hk)
 2538-2014
Dr. Janet S Y Wong, Chemist
(sywong2@govtlab.gov.hk)		 2538-2019
Dr. Y L Wong, Chemist
(ylwong@govtlab.gov.hk)		 2538-2018
Dr. Y T Wong, Chemist
(ytwong@govtlab.gov.hk) 		2538-2013

Quality Assurance

About 25% of the tests conducted in the Section are for QC purpose.

This Section also participates on a regular basis Food Analysis Performance Assessment Scheme (FAPAS) organized by Department for Environment, Food & Rural Affairs of UK.

Key Instruments

High Performance Liquid Chromatographs with Tandem Mass Spectrometer (LC/MS/MS)
High Performance Liquid Chromatographs with
Tandem Mass Spectrometer (LC/MS/MS)

The following instruments are used routinely by the Section:

  • Gas Chromatographs with mass spectrometer (GC/MS)
  • Gas Chromatographs with various detectors, such as Electron Capture Detectors (ECD) and Flame Photometric Detectors (FPD)
  • High Performance Liquid Chromatographs with Tandem Mass Spectrometer (LC/MS/MS)
  • High Performance Liquid Chromatographs with Photodiode Array Detector and Scanning Fluorescence Detector
  • Automatic Gel Permeation Chromatographs
  • Automatic Solid Phase Extraction Systems
  • Enzyme Linked Immunosorbent Assay (ELISA) Systems
  • Radio-immunoassay (RIA) Systems

Targets and Key Indicators

For the targets and key indicators for food, pesticide formulation, seepage and swimming pool water samples, please click here for details.

 

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