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

Environmental Chemistry A Section

About the Section

This Section carries out chemical analysis and provides advisory service to client departments in support of the monitoring of air quality, water quality and waste management as well as the enforcement of environmental regulations on the control of organic pollutants release. The Section also offers technical services to other government departments, for example, the source identification of spilled oils in Hong Kong waters for the Marine Department under the Shipping and Port Control Ordinance.

Responsibilities

This Section helps to implement the following Regulations under the Ordinances of Hong Kong:

• Air Pollution Control Ordinance
• Water Pollution Control Ordinance
• Waste Disposal Ordinance
• Shipping and Port Control Ordinance
• Ozone Layer Protection Ordinance

The section also provides analytical support to other government departments in relation to the investigation of air quality, water quality and waste management. In addition, it provides analytical support to the Environmental Protection Department for its environmental monitoring programmes on organic pollutants release.

Determination of volatile organic compounds (VOC) in air by GC-MS

For the HOKLAS accredited tests undertaken by this section, please click here for details.

Key Personnel

Senior Chemist: Mr. S K Tsui
(Tel. No.: 2762-3865 E-mail: sktsui@govtlab.gov.hk)

Quality Assurance

Typical percentage of tests on routine samples for quality control purposes : 43%

The section has participated or is recently involved in the following interlaboratory exercise:

• International Sediment Exchange for Tests on Organic Contaminants, organized by the Department of Soil Quality of the Wageningen University
• International Inter-calibration Study on Dioxins
• World-wide & Regional Intercomparison for the determination of OC and PHC in Mussel, organized by the International Atomic Energy Agency
• Interlaboratory Comparison on Dioxins in Food, organized by the Norwegian Institute of Public Health

Key Instruments

HRGC-HRMS for dioxins analysis The following instruments are used routinely by the Section: High resolution gas chromatograph coupled with high resolution mass spectrometer Liquid chromatograph-mass spectrometer Gas chromatograph with various detectors Gas chromatograph with mass spectrometers and cryogenic concentrators High performance liquid chromatograph with UV, fluorescence detectors

Targets and Key Indicators

Key Performance Measures Relating to the Advisory and Investigative Services of Environmental Samples

For the targets and key indicators for the advisory and investigative services of environmental samples, please click here for details.

- Top -