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Using our advanced R&D and analysis technology we support customers in creating a comfortable environment.

Research & Development

Air Conditioning, Water Treatment, Environment

  • Energy-saving technology
  • Technology that uses renewable energy
  • Special environmental control technology
  • Operations & maintenance Service technology

Analysis Technology Main Service Areas

Measurements, Analysis, Evaluation

  • Water quality analysis, including clean water, sewage, industrial wastewater, ultrapure water
  • Atmospheric environment measurement, including exhaust gases, organic solvents such as VOC, odors
  • Analysis of soil and ground water, sludge

Measurement and Analysis of the Physical Properties in Powders (dust etc.)

  • Measurements of work environments, sick house analysis
  • Surveys for asbestos
  • Analytical evaluation of polymers and organic materials
  • Corrosion testing of materials, performance evaluation testing of equipment and members

Experiments on Water Treatment Processes and Chemical Sales Thereof

  • Biological & physicochemical treatments
  • Advanced processing, reuse processing

Environmental Technical Support

  • Environmental consulting
  • Sales of chemicals, analytical devices, etc.
  • Measurement and prediction simulations of airflow and noise
  • Air conditioning validation


Analysis Technology Center


Analysis of organic matter present in exhaust gases (GC-MS)


Measurements of work environments


Water quality analysis (ICP emission spectroscopy)


Measurement of soot

Environmental Measurement and Certification Services

We conduct various measurements and certifications related to ordinances and guidance by prefectures and municipalities. For example: Basic Environment Law, Water Pollution Control Law, Air Pollution Control Law, Soil Contamination Countermeasures Act, Noise Regulation Law, Offensive Odor Control Law, Act to Prevent Soil Contamination on Agricultural Land.

  1. Water quality analysis (including soil and sediment)
    • Health protection items: total mercury, cadmium, lead, PCB, arsenic, etc.
    • Living environment items: PH, BOD, number of coliforms, oil, odors, etc.
    • Items requiring monitoring: chloroform, toluene, xylene, etc.
    • Others: solids, chlorine, odors, total phosphorus, dioxin
  2. Atmospheric environmental measurement
    • Flue gas analysis: soot, SOx, NOx, and other harmful substances
    • General atmospheric analysis: organic solvents, heavy metals, other harmful substances
    • Odor analysis: analysis and instrumental measurement of odorous substances, odor sensory testing
    • Atmospheric environmental assessment surveying: harmful air pollutants
      (Dust, metal, organic solvents such as VOC, components such as nickel)
  3. Soil contamination surveying
  4. Noise and vibration measurement
  5. Environmental surveying of groundwater and public waters (rivers, seawater, lakes and marshes)

Analysis and Measurement Services

  1. Industrial waste analysis
    • Waste Management and Public Cleansing Law
    • Law Relating to the Prevention of Marine Pollution and Maritime Disaster
    • Measurement of mercury, cadmium, arsenic, organic chlorine, etc. in waste
  2. Work environmental measurement: Industrial Safety and Health Act, etc.
    • Measurement of dust, heavy metals, specified chemical substances, noise & vibration, lighting, airflow, etc.
  3. Inspection of drinking water quality and measurement of air environment based on Act on Maintenance of Sanitation in Buildings
  4. Surveys for asbestos
    • Presence of asbestos in buildings, etc., content level
  5. Other entrusted services related to the environment
    • Sick house analysis, analysis of pesticide residues in food, composition analysis of cosmetics
  6. Survey of RoHS Directive restricted substances, content level measurement
    • Cadmium (Cd), lead (Pb), hexavalent chromium (6-Cr), mercury (Hg), PBB, PBDE, qualitative analysis by X-ray fluorescence (XRF) measurement, precision measurement of Cd, Pb, 6-Cr, Hg

Material Analysis Services

  1. Analytical evaluation of polymer materials
    • Composition analysis (polymers, additives, fillers, etc.), structural analysis, analysis of generated gases, analysis of contaminants and trace components
  2. Surface analysis
    • Scanning electron microscope (SEM, SEM-EDX) observation
  3. Inorganic material analysis
    • Material elemental analysis by X-ray fluorescence (XRF) and scanning electron microscope (SEM-EDX)
  4. Metal testing
    • Material evaluation and structural observation of metals, remaining life evaluation and performance testing of equipment and members, surveying and analysis of defects
  5. Granular measurement and analysis
    • Electrical resistance measurement, morphological observation, composition analysis, elemental analysis, differential thermal analysis, particle size distribution density, flow characteristics (angle of repose, friction angle), etc.

Cleanroom & Air Conditioning Sytem Measurement

A care system for cleanroom and bio-cleanrooms, in which environmental measurement, cleaning, equipment inspection and evaluation takes place.

  1. Cleanroom environmental measurement
    • Dust, temperature, humidity, air flow, vibration, noise, electromagnetic wave and chemical measurement
  2. Biological cleanrooms
    • Diagnosis through dust & microorganism inspection, disinfection and sterilization
  3. Noise engineering
    • Surveying & measurement, simulation of expected increase in noise levels attributable to additional facilities, soundproofing measures & construction
  4. Air flow engineering
    • Surveying & measurement, simulation of expected air flow attributable to additional facilities, countermeasures & construction

Water Treatment Facility Management Technology and Consulting Services

We conduct experiments and tests to ensure optimal conditions for implementing stable water treatment.

  1. Physicochemical treatments (neutralization, coagulating sedimentation, oxidation & reduction, adsorption, membrane processing, etc.)
    • Selection of necessary chemicals and examination of injection volume and pH during treatment, etc.
  2. Biological treatment (activated sludge process, nitrification / denitrification, etc.)
    • Examination of residence time (treatment) in aeration tanks, examination of floating sludge countermeasures in sedimentation tanks
    • Examination of any effects on existing activated sludge facilities attributable to changes in raw water components
  3. Sludge dewatering treatment
    • Selection of flocculants for dewatering and injection volume
  4. Sale of water treatment chemicals

Contact Us

Hitachi Plant Services Co., Ltd. - Center for Environmental Innovation

  • TEL: 03-6454-5138
  • FAX: 03-6454-5148