Nitrogen dioxide (NO2) Measurement
For our indoor air quality services we offer three different procedures for the determination of nitrogen dioxide:
During a screening test (or preliminary measurement) we measure NO2 in one or more rooms during one session. The monitoring will be performed in accordance with ISO 16000.
Before the actual measurement we do a short inspection of the premises (ventilation system, windows, outside traffic, furniture and floorings, etc.) and ask for the reasons of the measurement.
The client will receive a short report with the measurement results without tables and figures.
The visit will take at least one hour, the report will be sent by email immediately.
The short-term monitoring will be performed following standard ISO 16000-15. We measure NO2 in one or more rooms during one session.
Before the actual visit, the client will receive a questionnaire which has to be filled in and returned before the actual measurement.
Before the actual measurement we do an inspection of the premises (ventilation system, windows, outside traffic, furniture and floorings, etc.) and ask for the reasons of the measurement.
During the measurement we will log the data within the rooms and perform – if necessary – an outdoor NO2 measurement for comparison.
Immediately after the measurement the client gets a short verbal report, followed by a written report via email including figures and tables and evaluation of the questionnaire. The report will be sent within one week.
The visit will take minimum two hours (measuring one room) and will be in general in the morning.
The long-term monitoring is basically following the same procedure as the short-term monitoring. The differences are:
- The logging takes in general one week to cover most of the daily life activities in the premises.
- The client has to keep a logbook where is written when the air got changed, carpets were vacuumed etc.
- After one week the data loggers are dismounted and the results from the logbook are discussed. During this, we also give a short overview of the results.
- The final report will be sent by email within 14 days.
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