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Credibility and authorisations

Accredited laboratory No. 1599ČSN EN ISO/IEC 17025Outputs for KHS, ČIŽP and regional authoritiesEIA authorisation and expert reports

NATURCHEM is an accredited testing laboratory No. 1599 (ČIA) and an authorised body for emission, workplace and noise measurements across the Czech Republic. More on credentials and experience: Accreditation & authorisations.

Service overview

When you need this service

  • You need job categorisation or a new workplace
  • KHS or occupancy approval requires lighting measurement
  • You need to verify outdoor artificial lighting for a site, road or sports ground
  • You are changing layout, technology or lighting type

What we provide

  • We measure artificial and daylight lighting at the workplace
  • We also measure outdoor artificial lighting (sites, roads, parking areas, sports grounds)
  • We evaluate conditions according to activity type and visual demands
  • We assess halls, laboratories, stores, offices and outdoor areas

What you receive

  • lighting measurement report with evaluation
  • documentation for job categorisation and occupational health and safety
  • recommendations for lighting or layout adjustments

How to get started

For an initial scope assessment, please send:

  • workplace / outdoor area layout and activity description
  • lighting type and layout of workplaces or outdoor luminaires
  • shift patterns and number of workers at stations
Request lighting measurements
Additional information for preparing your inquiry

Practical project examples

  • lighting measurement in a production hall after technology change
  • lighting assessment for offices and meeting rooms
  • lighting measurement in a laboratory or clean room

Typical mistakes and risks

  • Measurement without considering actual visual demands and operations
  • Assessment based only on design without measurement in operation
  • Incomplete description of activity type at the workplace
  • Omitting outdoor artificial lighting when it is part of the requirement

FAQ for this service

When is workplace environment measurement required?

Workplace environment measurement is addressed during job categorisation, technology change, a new workplace, KHS instruction or when verifying employee exposure.

Which workplace environment factors do you measure?

Typically dust, chemical substances in workplace air, noise, vibration, lighting, microclimate and other factors depending on workplace characteristics, technology and work activity.

Can measurement serve as documentation for job categorisation?

Yes. Workplace environment measurement results are often used as documentation for job classification or reclassification.

Who may carry out measurement for job categorisation?

Measurement for classification into category 2, 3 or 4 may only be carried out by the employer through a holder of an accreditation certificate or authorisation for the relevant measurements, unless the employer is so qualified.

What is hazardous work?

Hazardous work is work classified in category 3 or 4, and also category 2 work designated as such by the relevant public health authority.

View all FAQ — Workplace environment and job categorisation

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Send a description of the technology, authority requirements or available documents. We will propose the measurements, study or documentation needed for your purpose.