Guy P. K. Kong

Laboratory Manager

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One of the very best HOKLAS accredited environmental laboratories in Hong Kong, ETL’s Environmental division provides high quality services and independent testing in the analytical areas of air, dust, water, waste water, industrial sewage and noise.


With state-of-the-art machinery, our Environmental division specialises in water analysis for Heavy Metal and Non-Metallic Constituents in both drinking water and wastewater.


For further information or to receive a quote, please contact the Environmental team

Site Work
  • Environmental Monitoring & Audit (EM&A)
  • Baseline and Impact Monitoring of Air, Noise & Water Quality
  • Building Environmental Assessment Method (BEAM)
Laboratory Testing
  • Quality Water Supply Scheme for Buildings - Fresh Water (plus)  - 7 testing parameter + 4 metals

  • Newly Installed Fresh Water Inside Service - 8 testing parameter + 4 metals

  • Heavy Metal Analysis in Drinking Water

  • Test for Wastewater - Organic Pollutants, e.g. COD, BOD, Oil & Grease

  • Test for Wastewater - Non-Metallic Constituents e.g. pH, colour, SS

Job Reference

Testing on Water

Date: January 2023 to present

Division: Environmental

Project: Taikoo Place - Berkshire, Lincoln & Oxford House Water Sampling and Laboratory Testing for 2023

Client: Swire Properties Management Ltd.

Testing on Water

Date: April 2022 to present

Division: Environmental

Project: Provision of Testing Services on Water of Ponds & Marine Fish Farms

Client: Agriculture, Fisheries & Conservation Department

Environmental Monitoring

Date: May 2023 to present

Division: Environmental

Project: CV/2021/04 - Site Formation and Infrastructure Works for Public Housing Developments at Tseung Kwan O

Client: China International Water & Electric Corporation

Marine Water Quality Monitoring

Date: March 2023 to present

Division: Environmental

Project: Contract No. CC/2022/05/094 - Main Works Contract for Southern Landing Facility at West Kowloon Cultural District

Client: Zhen Hua Engineering Co. Ltd.