About WLN Indonesia

WLN Indonesia was founded in 2008 and located in Manado, North Sulawesi. WLN Indonesia is well known as an excellent environmental Laboratory Service provider and is ready to expand its Water Integrated Services throughout Indonesia.

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Industrial Hygiene

Industrial hygiene is the science of anticipating, recognizing, evaluating, and controlling workplace conditions that may cause workers injury or illness.

Through environmental monitoring and analytical methods, exposure levels to hazards can be identified and control measures can be taken. 

Our Services for Industrial Hygiene Consist of:

  • Field Sampling 
  • Hazard Identification & Risk Assessment
  • Consultation & Site Visit
  • Health Risk Assessment



Industrial Hygiene Sampling & Analysis:

Physical Paramaters 

  • Whole Body & Hand Arm Vibration
  • Noise (Area, Personal, Mapping)
  • Heat stress
  • Illumination
  • Electro Magnetic Fields
  • Ultra Violet radiation

Chemical Parameters:

  • Workplace Air Quality (Benzene, Toluene, Xylene, Ethyl Benzene, Methyl Ethyl Ketone, etc) 
  • Indoor Air Quality package
  • Respirable & Inhalable dust

Biologic Parameters:

  • Total Bacteria & Fungi in workplaces.


Biological Monitoring:

Biological monitoring can be used to indicate how many  chemicals that have  entered workers body through the analysis of urine or blood. Biological monitoring is often used together with air monitoring. With Bio-Marker, the correlation between exposure in workplace and workers who are exposed can be concluded.

Metals in blood & Urine

  • Lead, Arsenic, Mercury, Cadmium, Chromium, Cobalt,  Nickel, Manganese, and several more

Organic in urine

  • S-phenyl Mercapturic Acid, Toluene, Methyl Hippuric Acids, Methyl Ethyl Ketone