Analytical & Advisory Services Division

Environmental Chemistry B Section

About the Section

This Section provides analytical support and advisory services to various client departments in support of the management and monitoring of air and water quality, in the implementation of various environmental programmes, and in the enforcement of pollution control and environmental protection legislation.


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

  • Air Pollution Control Ordinance
  • Waste Disposal Ordinance
  • Water Pollution Control Ordinance

The Section also provides analytical support to the Environmental Protection Department for its environmental monitoring programmes and to other government departments in relation to the investigation of air and water quality, and to the management of waste.

Quality Assurance

About 25% of the tests on routine samples and 50% of the tests on formal samples are for quality assurance purposes.

The Section also participates in the following inter-laboratory exercises on a regular basis:

  • Acid Rain Performance Survey organised by the World Meteorological Organisation
  • National Asbestos Programme (fibre counting) organised by the Proficiency Testing Australia (PTA)
  • Bulk Asbestos Identification Programme organised by the American Industrial Hygiene Association (USA)
  • Environmental Nutrient Collaborative Trials organised by the Queensland Health Forensic and Scientific Services (Australia)
  • LEAP Scheme for Effluent, Waste Water, Contaminated Land & Hazardous Waste organised by the Central Science Laboratory (UK)
  • International Sediment Exchange for Tests on Organic Contaminants organised by the Wageningen Evaluating Programmes for Analytical Laboratories Organisation (The Netherlands)
  • Water Pollution Proficiency Testing Programmes organised by the Environmental Resource Associates, Inc. (USA)

Key Instruments

The following instruments are used routinely by the Section:

  • Flow injection analyzer
  • High performance liquid chromatograph with refractive index detector
  • Ion chromatograph with UV and conductivity detectors
  • Gas chromatograph with oxygen selective flame ionisation detection system
  • Thermal-optical carbon analyzer
  • Wavelength dispersive X-ray fluorescence spectrometer
  • Oxidation stability tester
  • Fourier-transform infrared spectrometer (FTIR)
  • Coulometric Karl Fischer titration system
X-Ray Fluorescence Spectrometer

X-Ray Fluorescence Spectrometer

Targets and Key Indicators

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