Services

Workplace Toxic Substances Monitoring

Chemicals can be a hazard in various ways, such as toxicity, corrosivity, flammability, etc. If your workplace uses or generates toxic substances, exposure monitoring is necessary to measure the exposure level of workers to hazards and to assess the effectiveness of hazard control measures.

• Toxic Substances Monitoring

Workplace Safety and Health (General Provisions) Regulations

Technical Specifications

Toxic Substances test parameters include, but are not limited to:

• Acetone
• Ammonia
• Butyl acetate
• Benzene, Toluene, Ethyl
benzene & Xylene
(BTEX)
• Chromium (Hexavalent)
• Copper (dust & fume)
• Formaldehyde
• Hydrogen bromide
• Hydrogen chloride
• Hydrogen cyanide
• Hydrogen fluoride
• Isopropyl alcohol
• Methylene chloride
• Methyl ethyl ketone
• Methyl isobutyl ketone
(MIBK)

• Nitric acid
• Nuisance dust, Particulate
• Phosphoric acid
• Respirable dust
• Styrene
• Sulphuric acid
• Trichloroethylene
• Tetrachloroethylene
• Arsenic
• Aluminium
• Antimony
• Barium
• Beryllium
• Calcium
• Cadmium
• Chromium
• Cobalt

• Iron
• Lithium
• Lead
• Magnesium
• Manganese
• Molybdenum
• Nickel
• Titanium
• Vanadium
• Potassium
• Phosphorus
• Selenium
• Silver
• Strontium
• Tin
• Thallium
• Titanium
• Vanadium
• Zinc & compound, etc.

Contact Details
Mr Liew Kok Yen 66719207	Mr Tan Yi Yang 66719207

Environmental Site Assessment (ESA)

ESA is a critical process that evaluates the environmental conditions of a site prior to development. In Singapore, where land is at a premium and urbanization is rapid, we must safeguard our natural resources and ensure a healthy, sustainable environment for current and future generations

- - Soil Testing

- - Ground Water Testing
    
    JTC Environmental Site Assessment (ESA) Requirements and Technical Guideline

Technical Specifications

Soil and Ground Water test parameters include, but are not limited to:

- - Metals
  - Aromatic Compounds Volatile Organic Compounds
  - Polynuclear Aromatic Hydrocarbons
  - Semi – Volatile Organic Compounds
  - Chlorinated Hydrocarbons Volatile Organic Compounds
  - Inorganic Compounds
  - Conventional
  - Pesticides
  - Semi – Volatile Organic Compounds
  - Other Pollutants
  - Volatile Organic Compounds
  - Total Petroleum Hydrocarbons (Mineral Oil)

Contact Details
Mr Liew Kok Yen +65 6671 9207	Mr Phang Ken Aun +65 6671 9213

Marine Environment and Seafarer Health

It is estimated that 150,000 to 200,000 ships cross the seas daily. each one a self-contained ‘factory’ at sea poses significant environmental pollution issues. In addition to these concerns, seafarers on these ships also encounter health challenges in their workplace.

Ballast Water, Sewage Water/Gray Water, Bilge Water, Exhaust Gas Scrubber Wash Water, Fresh Water Testing

- - USEPA 2013 Vessel General Permit (VGP) and the USCG ballast water regulations
  - MARPOL Annex IV Prevention of Pollution by Sewage from Ships

Asbestos Survey and Testing

Indoor Air Quality Assessment, etc.

Technical Specifications

Ballast Water, Sewage/Gray Water, Bilge Water test parameters include, but are not limited to:
Ballast Water	Sewage/Gray Water	Bilge Water
Total Residual Chlorine Chlorine Dioxide Chlorite Chlorate Total Trihalomethanes Haloacetic Acids Heterotrophic plate count Enterococci Escherichia coli	Biological Oxygen Demand (BOD) Faecal Coliform or Escherichia coli Total suspended solids pH Total residual chlorine	Hydrocarbon Oil

Exhaust Gas Scrubber Wash Water test parameters include, but are not limited to:
• Arsenic • Cadmium • Chromium • Copper • Lead	• Nickel • Selenium • Thallium • Vanadium • Zinc	•Polycyclic Aromatic Hydrocarbons (PAHs) • Nitrate/Nitrite • pH

Fresh Water test parameters include, but are not limited to:
• pH • Colour • Turbidity • Taste • Odour • Lead	• Manganese • Nickel • Total Dissolved Solids • Chloride • Cadmium	• Chromium • Copper • Iron • Escherichia coli • Total Faecal Coliform • Legionella

Contact Details
Mr Phang Ken Aun +65 6671 9213	Mr Leong Jhun Hoa +65 6671 9208	Mr Gideon Ngo +65 6671 9218

Water Sampling and Testing

Water analysis is essential for identifying and quantifying the chemical, physical, and biological properties of water. Ensuring that water quality complies with the relevant standards is essential for industrial use, environmental protection, and human consumption.

• Trade Effluent

Sewerage and Drainage (Trade Effluent) Regulations
Environmental Protection and Management (Trade Effluent) Regulations

• Drinking / Potable Water

Environmental Public Health (Water Suitable for Drinking) (No.2) Regulations 2019
PUB – Potable Water Quality Test for Water Tank Certification

• Swimming Pool Water

Environmental Public Health (Licensable Aquatic Facilities) Regulations 2021

• Cooling Tower Water
• Boiler Water
• Deionized Water
• Reverse Osmosis Water
• Purified Water
• Water for Industrial Purpose including Sea Water, etc.

Technical Specifications

Water Test Parameters include, but are not limited to:
• Alkalinity • Ammonia • Ammonia (nitrogen) • Anionic detergents • Appearance • Biochemical oxygen demand • Bicarbonate • Boron • Bromide • Calcium • Carbon dioxide • Carbonate • Chloramines • Chloride • Chlorine, residual and free • Chromium (Hexavalent) • Chromium	• Colour • Conductivity • Cyanide • Cyanide-free / Cyanide complex / Thiocyanates (total) • Dissolved oxygen • Fixed and volatile solids • Fluoride • Formaldehyde • Hardness (calcium & total) • Hydrogen sulphide • Hydrogen cyanide • Hydroxyl ion • Hydrazine • Iodine • Kjeldahl nitrogen • Magnesium	• Odour • Oil and grease • pH • Phenols • Phosphate • Salinity • Silica (total) • Silt density index • Sulphate • Sulphide • Sulphite • Taste • Temperature • Total dissolved solids • Total organic carbon • Total solids • Total suspended solids • Turbidity, etc.

• Faecal coliform count
• Standard plate count
• Legionella

• Total coliform count
• Escherichia coli

• Volatile organic
compounds (VOCs)*

*Please refer to our Schedule for Environmental Field of Testing for the list of Volatile organic compounds (VOCs)

Contact Details
Mr Phang Ken Aun +65 6671 9213	Mr Than Than Win +65 6671 9213	Mr Gideon Ngo +65 6671 9218

Hazardous Substances in Electronic Equipment (RoHS)

Waste electrical and electronic equipment (WEEE) is now one of the fastest growing categories of waste. The RoHS Directive aims to prevent the risks posed to human health and the environment related to the management of electronic and electrical waste.

• Restricted Heavy Metals Test
• Restricted Organic Compound Test
• Flame Retardant Test
• Phthalates Test
• Halogen-Free Test

E.g. Plastics, Polymer Materials, Packaging Materials, Metallic Materials, Alloys, Stainless Steel, Natural Rubbers, Fibers, Precious Metals, Coatings, Plating Solution, Inks, Electrotechnical Products, etc.

Technical Specifications

RoHS test parameters include, but are not limited to:

• Mercury
• Lead
• Cadmium
• Hexavalent chromium

• Mechanical sampling

• Polybrominated biphenyl (PBB)
• Polybrominated diphenyl ether (PBDE)
• Phthalates (DIBP, DBP, BBP, DEHP)

Halogen-Free test parameters include, but are not limited to:
As per IEC 61249-2-21 • Chlorinated compounds as chloride • Brominated compounds as bromide	Additional Parameters • Fluorinated compounds as fluoride • Iodated compounds as iodide • Sulphonated compounds as sulphate

Flame Retardant test parameters include, but are not limited to:
• Antimony Trioxide (as Sb) • Red Phosphorus (as P) • Hexabromocyclododecane (HBCDD) (semi-quantitative)	• Perfluorooctane Sulfonates (PFOS) & Perfluorooctanoic Acid (PFOA)

Phthalates test parameters include, but are not limited to:

• Phthalate compounds – DBP, DIBP, BBP, DEHP, DNOP, DINP and DIDP
(semi-quantitative/quantitative)

Contact Details
Mr Chiok Kian Soon +65 6671 9215	Ms Yeo Chung Loo +65 6671 9215

Safety and Quality of Health Products

Laboratory testing is crucial for the assurance of safety, quality, and regulatory compliance in health products. As a dealer, it is incumbent upon you to ensure that your products conform with the safety and quality standards prior to their import, sale, or manufacture in Singapore.

Health Supplements, Traditional Medicines, Medicated Oils, Balms, and Medicated Plaster, etc. Testing

- ASEAN Guidelines on Limits of Contaminants for Traditional Medicine
- ASEAN Guidelines on Limits of Contaminants for Health Supplements
- Medicines (Prohibition of Sale, Supply and Importation) Order

Cosmetic Products Testing

- Health Products (Cosmetic Products — ASEAN Cosmetic Directive) Regulations 2007 Efficacy Studies

Efficacy Studies

- Staphylococcus aureus (coagulase positive)
- Escherichia coli
- Pseudomonas aeruginosa
- Candida albicans
- Aspergillus spp, etc.

Technical Specifications

Health Supplements, Traditional Medicines, Medicated Oils, Balms, and Medicated Plaster test parameters include, but are not limited to

- - - Arsenic
    - Cadmium
    - Copper
    - Lead
    - Mercury Total aerobic microbial count
    - Total yeast and mould count
    - Escherichia coli
    - Salmonella spp. Staphylococcus aureus (coagulase positive)
    - Pseudomonas aeruginosa

Cosmetic Products test parameters include, but are not limited to

- - - Arsenic
    - Cadmium
    - Lead
    - Mercury Total aerobic microbial count
    - Total yeast and mould count
    - Staphylococcus aureus (coagulase positive) Pseudomonas aeruginosa
    - Candida albicans

Contact Persons
Mr Phang Ken Aun +65 6671 9213	Mr Gideon Ngo +65 6671 9218

Soil, Sludge And Industrial Waste

It is vital to emphasise the importance of toxicity and leachate tests in the identification of toxic substances in dredged soil/sludge and industrial waste. Such substances pose a grave threat to ecosystems, wildlife, and human health through soil, water, and air contamination.

• Toxicity Tests on Dredged Soil/Sludge for Disposal

MPA – General Guidelines on The Requirements for Application on Dredging and Dumping Works

• Leachate Tests on Industrial Waste for Land Filled Disposal

Leaching Test – Recommended Acceptance Criteria for Suitability of Industrial Wastes for Landfill Disposal

• Planting Soil/Soil Mixture

NParks’ Approved Soil Mix Specifications (CUGE Standards CS A03:2013)
NParks’ Sufficiency Range for Soil / Soil Mix

Technical Specifications

Dredged Soil/Sludge test parameters include, but are not limited to:
• Arsenic • Barium • Cobalt • Copper • Cadmium • Chromium	• Lead • Mercury • Molybdenum • Nickel • Zinc • Selenium	• Volatile organic compounds (VOCs)* • Cyanide-free / Cyanide complex / Thiocyanates (total)

*Please refer to our Schedule for Environmental Field of Testing for the list of Volatile organic compounds (VOCs)

Planting Soil/Soil Mixture test parameters include, but are not limited to:
pH Electrical Conductivity Organic Matter Cation Exchange capacity	C:N Ratio Bulk Density Permeability Total Nitrogen	Micronutrient Heavy Metal Concentration Organic Contaminants Faecal coliforms, etc

Industrial Waste test parameters include, but are not limited to:
• Arsenic • Barium • Cadmium • Chromium • Copper • Cyanide (total)	• Fluoride • Iron • Lead • Manganese • Mercury	• Nickel • Phenolic compounds (as phenol) • Selenium • Silver • Zinc

Contact Details

Mr Phang Ken Aun

+65 6671 9213

Mr Charles Chin
+65 6671 9210

Mr Gideon Ngo

+65 6671 9218

Noise Monitoring

An industrial site has the potential to emit excessive levels of unwanted sound, which can disturb nearby residents. Identification of noise hazards and measure of noise level at workplace are crucial for factories occupier to control and protect the workers from excessive noise exposure.

• Boundary Noise Monitoring
	Environmental Protection and Management (Boundary Noise Limits for Factory Premises) Regulations
• Noise Monitoring (Workplace and Personal)
	Workplace Safety and Health (Noise) Regulations 2011

Technical Specifications

Noise test parameters include, but are not limited to:
• Noise Sampling	• Boundary Noise Monitoring
• Noise Mapping	• Occupational Noise Exposure Monitoring

Contact Details
Mr Liew Kok Yen +65 6671 9207	Mr Tan Yi Yang +65 6671 9207

Electronics And Disk Drive Related Samples

Cleanliness and micro-contamination analyses are crucial for ensuring quality, minimizing the risk of contamination-related failure and adhering to relevant specifications. To ensure the competence of our testing procedures, we conduct regular correlation tests with the hard disk drive manufacturers.

Cleanliness Tests on
hardisk drive components cleanroom construction materials raw materials consumables packaging materials

E.g. Swabs, Tray, Seal, Air Diverter, Foam, Plaque, Resin, Plastic Sheet, Gloves, Wipes, Plastic Bags, Moisture Barrier Bags, Packaging Materials, and other Cleanroom Related Materials, etc.

Technical Specifications

Test parameters include, but are not limited to:

Ion-Chromatography (IC)
• Anions	– Fluoride, Chloride, Bromide, Nitrate, Nitrite, Phosphate, Sulphate, Oxalate
• Cations	– Lithium, Sodium, Calcium, Potassium, Magnesium, Ammonium

Fourier Transfer Infra-Red (FTIR)

• Qualification and quantification analyses of silicone, amide, phthalate ester (DOP) and hydrocarbon

• Analysis of embedded or loose organic debris, surface organic residue, like fiber, stain, polymeric particles (e.g. PET, PC, PP, etc.), oil and lubricant, etc.

• Plastic Material Verification

Non-Volatile Residues (NVR)

• NVR Test (extraction by DI water, IPA, Hexane or Acetone)

Scanning Electron Microscope / Energy Dispersive X-Ray (SEM/EDX)

• Ghost Test
• Mg/Si/O talc
• MESA Test
• Surface structure inspection for micro defect like crack, embedded particulate, or corrosion product.
• APA (Automated Particle Assessment)
• HPA (Hard Particle Analysis
• Composition Analysis)
• Micro-contamination analysis
• KPA (Killer Particle Analysis)
• Carbon Tape Test
• Filler Test, etc.

Gas Chromatography – Mass Spectrometry (GC-MS)

• Repeated Hydrocarbon
• CVR (Condensable Volatile Residue)
• TPPO (Triphenyl phosphine oxide)
• Organic Residue, Hydrocarbon (C18 to C40), Irgafos & Phthalate elemental particles
• Outgassing Test by Dynamic Headspace (DHS) GC/MS or Condensable Analysis to check outgassed volatile organic compounds, etc.

Liquid Particle Count (LPC)

• Particle size: 0.5-1.0 µm, 1.0 -5.0 µm, 5.0 -10 µm, 10-20 µm, 20-50 µm, 50-100 µm

Inductively Coupled Plasma – Optical Emission Spectrometry (ICP-OES) or
Inductively Coupled Plasma – Mass Spectrometry (ICP-MS)

• Extractable Metals – Zinc, Lithium, Potassium, Calcium, Magnesium, Sodium, Copper, Tin, Titanium, etc.

Others

• Corrosion / Thermal Cycle Test
• Acidity (Delta H)
• Turbidity, etc.

Contact Details
Ms Yang Gui Zhen +65 6671 9201	Ms Cheong Sook Han +65 6671 9216

Environmental Air Quality Monitoring

Ensuring good air quality is vital for both public health and cleanroom productivity. Through effective air monitoring, we ensure the air is clean and safe to breathe, and the products that are manufactured in a controlled environment meet the highest standards of quality and purity.

- - Source Emission Monitoring
    
    Environmental Protection and Management (Air Impurities) Regulations

- - Cleanroom Environmental Monitoring
    
    ISO 14644 Standards
- - Ambient Air Quality Monitoring, etc.
    
    Singapore Ambient Air Quality Targets

Technical Specifications

Source Emission test parameters include, but are not limited to :

- Stack sampling and velocity traverses
- Stack gas velocity and volumetric flow rate
- Stack gas composition, oxygen, carbon monoxide, carbon dioxide
- Dry gas molecular weight.
- Stack gas moisture content
- Particulate matter emissions
- Hydrogen Sulfide content of fuel gas streams in petroleum refineries

- Sulfur Dioxide (SO₂)
- Nitrogen Oxides (NOx)
- Carbon Monoxide (CO)
- Sulfuric Acid (SO₃)
- Dioxins / Furans
- Smoke
- Metals emission from stationary sources
- Hydrogen halide and halogen emissions, etc.

Cleanroom Environmental Monitoring test parameters include, but are not limited to:

- Airborne Particle Counting
- Airborne Molecular Contamination (AMC) Measurement
- Total Organic Contaminants (TOC)

- Microbial Monitoring
- Volatile Organic Compounds analysis, etc.

Ambient Air Quality test parameters include, but are not limited to:

- Sulfur Dioxide (SO₂)
- Nitrogen Dioxides (NO₂)
- Ozone (O₃)

- Carbon Monoxide (CO)
- PM2.5
- PM10

Contact Details
Mr Liew Kok Yen +65 6671 9207	Mr Tan Yi Yang +65 6671 9207

Archives: Services

Workplace Toxic Substances Monitoring

Environmental Site Assessment (ESA)

Marine Environment and Seafarer Health

Water Sampling and Testing

Hazardous Substances in Electronic Equipment (RoHS)

Safety and Quality of Health Products

Soil, Sludge And Industrial Waste

Noise Monitoring

Electronics And Disk Drive Related Samples

Environmental Air Quality Monitoring

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