Environmental Testing

Water Quality Testing

The laboratory is providing accrediting testing services for the most popular and routine testing parameters required by government, EIA and EM & A programs.

We provide sampling bottles, with preservatives and well packed in cooler boxes for our clients to collect their samples.

Sampling service is also available when needed.

ALS provides different testing packages to fulfil different Water quality as required by the Hong Kong WSD, EPD and LCSD including:

  • Drinking water Standards (HKDW), 2021,
  • WSD Circular Letter No. 05/2023; The commissioning of freshwater plumbing system;
  • Quality Water Supply Scheme for Buildings - Fresh Water (Plus);
  • Technical memorandum standards for effluent discharge
  • Cap 132Ca, Section 10: Swimming Pools Water Quality

Downloads

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EnviroMail 56 Introduction of HK Drinking water standards

29 NOV 2022

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EnviroMail 28 Testing in Quality Water Supply Scheme for Building

29 NOV 2022

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EnviroMail 23 Technical Memorandum Standards for Effluent Discharge

29 NOV 2022

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EnviroMail 13 Swimming Pool Regulation

29 NOV 2022

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Food Forum 55 Hong Kong Trace Level Measurement Cations Anions in UltraPure Water Samples

29 NOV 2022

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Enviromail 64 Introduce to Vessel discharge analysis

11 SEP 2023

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Enviromail 66 Hong Kong Testing of Water Quality for Hospitals and Laboratories

04 OCT 2023

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Enviromail 69 Hong Kong Updated Guidelines on Infection Control of Commercial Spa Pools

04 OCT 2023

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Enviromail HK070 Updated Water Sampling Protocol for Commissioning of Fresh Water Plumbing System (WSD Circular Letter 5_2023)

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Enviromail HK072 Cooling Water Quality Monitoring

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Enviromail HK074 Reclaimed Water Monitoring

DASO Testing Requirement in Marine Sediment PAH for CEW, 2022 ed. Amendment 01/2024

The technical circular provide detail testing requirement and evaluation procedure for all dredging and excavating of marine  sediment activity in the city. Testing include heavy metals, PAH, PCB, TBT and marine toxicity are required.

Downloads

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EnviroMail 7 Biological Screening

29 NOV 2022

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Enviromail HK073 Amendment DASO Testing Requirement in Marine Sediment

Risk-Based Remediation Goals for Contaminated Land Management, 2007

Risk-Based remediation Goals (RBRGs), EPD 2007 provides the threshold concentration requirements of different targeting contaminant in metals, hexavalent chromium, cyanides, SVOC, VOC, PCB, TBT & Dioxins & Furans for land soil and groundwater which are hazard or risks to human health. 

Downloads

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EnviroMail 5 Risk Based Remediation Goals for Contaminated Land Management

30 NOV 2022

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EnviroMail 19 Standard Quality Control and Quality Assurance QAQC

30 NOV 2022

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EnviroMail 4 Toxicity Characteristic Leaching Procedure TCLP

29 NOV 2022

Compost

ALS providing full testing service to help our clients to evaluate the maturity and suitability of the compost composition according to the requirement of the Hong Kong Organic Resource Centre (HKORC). 

Downloads

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EnviroMail 60 Updated Compost Testing with HKORC 2021 Standard

30 NOV 2022

Other Major Testing

Legionella & Microbial testing in Water 

ALS provides fully accredited service for microbiological testing service to clients.

For Legionella, we are required and using the most up-to-dating testing service, according to the AS and ISO standards, to test for the cooling tower and potable water samples.

 

Tributyltin (TBT) in Water, Sediment / Soil and Biota

We provide TBT testing in different kinds of samples including marine water, interstitial water, marine sediment and its interstitial water  and biota.

 

Sodium Hypochlorite Solution testing

ALS provides the different testing for the effective chlorine and impurities of sodium hypochlorite solution.

Downloads

pdf

EnviroMail 61 Updated Legionella testing for water and swab

30 NOV 2022

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EnviroMail 8 Tributyltin Testing in Sediment and Interstitial Water

30 NOV 2022

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EnviroMail 50 Testing of Sodium Hypochlorite Solution

30 NOV 2022

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Enviromail 67 Insecticide or Mosquito Oil Testing in Water

11 SEP 2023