[ About the Section | Responsibilities | Key Personnel |
  Quality Assurance | Key Instruments | Targets and Key Indicators ]
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Environmental Chemistry A Section

About the Section

This Section carries out chemical analysis and provides advisory service, in relation to organic pollutants, 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 release of organic pollutants. 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 Ordinances under the Laws of Hong Kong:

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

This section also provides analytical support to other government departments in relation to the investigation of air quality, water quality and waste management. In particular, 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. P O Tang
(Tel. No.: 2762-3876 E-mail: potang@govtlab.gov.hk)

Quality Assurance

Typical percentage of tests on routine samples for quality control purposes : 28%

The section has participated regularly in the following proficiency tests:

• 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 organic pollutants, 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 with high resolution mass spectrometer Gas chromatograph with various detectors Gas chromatograph with mass spectrometers and cryogenic concentrators High performance liquid chromatograph with various detectors

Targets and Key Indicators

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

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