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: April 2018 to March 2020

Division: Environmental

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

Client: Agriculture Fisheries & Conservation Department

Wastewater Quality Monitoring

Date: January 2020 to present

Division: Environmental

Project: Effluent Discharge & Diesel Analysis for 2020

Client: China State Construction Engineering (Hong Kong) Ltd

Building Environmental Assessment Method

Date: March to April 2020

Division: Environmental

Project: Ma On Shan Area 90B Subsidised Sale Flats Development Hang Kin Street

Client: Wing Tat Plumbing Engineering Ltd

Environmental Monitoring & Audit

Date: May 2017 to present

Division: Environmental

Project: CV/2015/07 – Handling of Surplus Public Fill (2016-2018), Additional Water Quality Monitoring at TKO 137 Fill Bank

Client: China Harbour – Zhen Hua Joint Venture