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: February 2021 to present

Division: Environmental

Project: Potable Water Sample Analysis

Client: Hong Kong Aircraft Engineering Co. Ltd.

Wastewater Quality Monitoring

Date: November 2020 to present

Division: Environmental

Project: Provision of Testing Services for Water & Fuel

Client: Gammon Construction Ltd.

Building Environmental Assessment Method

Date: March 2021

Division: Environmental

Project: Tai Po - Chung Nga Road East, Public Rental Housing Development

Client: Wing Tat Plumbing Engineering Ltd.

Environmental Monitoring & Audit

Date: July 2020 to present

Division: Environmental

Project: Pollution Source Identification Survey for Revitalisation of Tai Wai Nullah and Fo Tan Nullah

Client: Drainage Services Department