IHSTAT is a excel worksheet that enables statistical analyses of occupational hygiene measurement data and compliance testing (with occupational exposure limits). IHSTAT was developed by AIHA (American Industrial Hygiene Association).
- Determines whether samples are normally distributed or log normally distributed.
- Normal distribution – data that clusters around a mean/average
- Log Normal distribution – the logarithm of data is normally distributed
- Determines percentage of samples that exceed the occupational exposure limit.
You can download IHSTAT (the macro free version) below.