Environmental Testing Laboratory
The Environmental Testing Laboratory (ETL) is an in-house laboratory of the Division of Environment and Sustainability (ENVR). We are located at Room 4114 of the Academic Building (near Lift 19) of the Hong Kong University of Science and Technology (HKUST) at Clear Water Bay, Hong Kong. ETL is mainly for teaching purposes for HKUST students and responsible for food and environmental testing.
In 2016, ETL was successfully accredited by Hong Kong Laboratory Accreditation Scheme (HOKLAS) with the scope of Food Testing and Environmental Testing (Registration No. 258).
Scope of services
|Scope||Property measured||Specific test||Method used||Reporting limit||Unit|
|Water and wastewater||Physical examination||pH||APHA 22e, 4500H+ B||4.0-10.0|
|Water and wastewater||Physical examination||Total Suspended Solids dried at 103-105oC||APHA 22e, 2540D||2.5||mg/L|
|General foodstuff||Preservatives||Sulphur dioxide||In-house method TG-ETL-FD-001 (Quantitative method - titrimetric methods, Confirmatory method - gravimetric methods)||8||mg/kg|
|Gravimetric Test||Weight||Teflon filter / Quartz filter||In-house method*||-||-|
* Gravimetric testing scope (Weighing of Teflon filter and Quartz filter) will be accredited in mid-2018.
ETL also provide certified reference materials (CRM) and inter-laboratory collaborative study. Please go to www.cgptp.org for more details.
Miss TAM Wing-kwun
Tel: 2358 7348