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What is workplace monitoring?

Workplace monitoring evaluates the level of employee exposure to health hazards and determines how effective your existing control measures are.

Through proper monitoring, you can:

• Identify potential health risks early
• Ensure regulatory compliance
• Improve workplace safety measures
• Maintain proper records and employee awareness

Regulatory compliance in Singapore

In Singapore, industrial hygiene monitoring must be conducted by competent persons with relevant WSQ certifications.

Eurofins Environment Testing engages only qualified professionals, and certification documentation is available upon request.

Our testing & monitoring capabilities

We provide a wide range of industrial hygiene services, including:

Airborne hazards & particulates

• Mineral fibers and dusts (asbestos, silica)
• Ultra-fine particles (UFP) and nanoparticles
• Organic dusts (wood, grain)

Chemical exposure

• Solvents (BTEX, chlorinated, mineral spirits)
• Gases and vapours (ammonia, chlorine, carbon monoxide)
• Petrochemicals (diesel, gasoline, oils)

Specialised contaminants

• Welding fumes and metal exposure
• Diesel exhaust and PAHs
• PCBs, dioxins, and furans

Industrial processes & materials

• Paints, coatings, adhesives, and resins
• Composites (fiberglass, styrene)
• Metalworking fluids

Biological & environmental hazards

• Fungi, bacteria, and bioaerosols
• Formaldehyde exposure
• Radon monitoring and remediation

Physical hazard monitoring

• Noise (dosimetry, octave band analysis)
• Vibration monitoring
• Heat and cold stress assessment

Common types of airborne molecular contaminants
AMCs can originate from a variety of chemical compounds that are released into the air during manufacturing processes or from materials used within cleanroom environments.

Common AMC compounds include:

• Antioxidants
• Plasticizers, such as phthalates
• Amines and amides
• Siloxanes
• Flame retardants
• Organophosphate compounds

Even at extremely low concentrations, these contaminants can affect semiconductor fabrication, electronics manufacturing, and precision component performance.

 
Sources of AMC in cleanroom environments
One of the primary sources of airborne molecular contamination is outgassing from materials used inside cleanrooms.

Typical sources include:

• Computer and electronic components used within cleanrooms
• Cleanroom construction materials, including plastics and structural components
• Cleanroom particulate air filters
• Cleanroom consumables such as tapes, garments, gloves, and cleaning materials
• Human activity and personnel working inside the cleanroom

Because AMCs exist in vapor form, they can pass through most standard particulate air filters, allowing them to accumulate within cleanroom environments if not properly monitored.

 
Importance of AMC monitoring
For technology-driven industries, monitoring cleanroom air for SVOCs and other airborne molecular contaminants is essential to:

• Maintain product quality and reliability
• Protect sensitive manufacturing processes
• Prevent contamination of high-precision components
• Ensure compliance with cleanroom environmental requirements

Monitoring programmes also help identify contamination sources and support the selection of low-emission materials and cleanroom products.

 
Analytical technologies used
Eurofins Environment Testing laboratories utilise advanced analytical instrumentation to measure airborne molecular contamination with high sensitivity and accuracy.

Key technologies include:

• ATD/GC/MS (Automated Thermal Desorption / Gas Chromatography – Mass Spectrometry)
• GC/MS/NPD/FID (Gas Chromatography with multiple detection methods)
• Ion Chromatography
• ICP-MS (Inductively Coupled Plasma Mass Spectrometry)

AMC and cleanroom contamination testing capabilities
Eurofins Environment Testing laboratories offer a wide range of testing services to evaluate contamination risks from materials used in cleanroom environments, including:

• Outgassing testing of cleanroom materials using ATD/GC/MS
• Ionic contamination analysis (cations and anions) using Ion Chromatography
• Metallic contamination analysis using ICP-MS
• Elemental characterisation of particles using SEM/EDX
• VOC emissions testing of materials
• Microbiological contamination characterisation

These services support manufacturers in identifying contamination sources and ensuring that materials and products used in controlled environments meet strict cleanliness requirements.

Eurofins Environment Testing Singapore offers clients a large portfolio of environmental sampling and microbiological testing for environmental monitoring programmes. 

• Air sampling (Active/Passive Air Sampling) for total bacteria count and total yeast & mould count
• Surface sampling using contact plates and swab for total bacteria count and total yeast & mould count
• Swab sampling for operator’s hands for total plate count
• Finding pathogens before contamination
• Assess effectiveness of cleaning, sanitation, and employee hygiene practices

Eurofins Environment Testing Singapore carries out tests to determine sources of pathogen contamination utilising the following sampling methods:

• Air monitoring (active air sampling or passive air sampling)
• Equipment surface swab sampling using contact plates and swab
• Hand swab sampling

Tests performed include:

• Total viable counts (TVC)
• Yeasts and molds
• Staphylococcus Aureus
• Legionella
• Listeria
• Salmonella
• Total coliforms
• E coli
• Enterococci
• Clostridium

Objectives of ambient air monitoring

Ambient air monitoring supports multiple environmental and public health objectives, including:

• Assessing pollution levels in a specific area
• Supporting the implementation of air quality standards and regulatory targets
• Evaluating the effectiveness of emission control strategies
• Providing information on long-term air quality trends
• Supplying data for air quality modelling and forecasting
• Supporting research studies, including investigations into the health impacts of air pollution

In Singapore, ambient air quality management and regulatory standards are overseen by the National Environment Agency.

 
Monitoring strategies and analytical methods
Ambient air monitoring can be conducted using different analytical procedures and monitoring technologies depending on the objectives of the monitoring programme.

Eurofins Environment Testing is capable of developing customised monitoring strategies that consider:

• Client requirements and project objectives
• Budget considerations
• System reliability and data quality
• Ease of operation and maintenance

This flexible approach ensures that monitoring programmes remain both cost-effective and technically robust.

 
Monitoring station locations
The location of monitoring stations depends on the purpose of the monitoring programme.

Most air quality monitoring networks are designed to support human health protection, and stations are commonly located in areas where people are exposed to air pollution. These may include:

• Areas near busy roads or highways
• City centres and urban districts
• Sensitive locations such as schools or hospitals
• Sites near industrial or emissions sources

Monitoring stations may also be placed in remote or background locations to measure natural pollution levels away from urban activities.

Data quality and air quality standards
Reliable monitoring requires systems to ensure that collected data is accurate, properly recorded, securely stored, and effectively analysed.

The results are then used to evaluate compliance with ambient air quality standards and regulatory limits established in Singapore by the National Environment Agency.

These data sets play an important role in environmental policy development, pollution control, and public health protection.