In this section:
Diffusion Tube Data
The link below is to an Excel spreadsheet which containing the diffusion tube monitoring data recorded by Hillingdon Borough Council. The analysis laboratory and preparation method used is as follows:
| Parameter | Laboratory | Preparation Method |
|---|---|---|
| Nitrogen Dioxide | Casella Stanger | 50% TEA in acetone |
| BTEX | Casella Stanger | Chromosorb 106 |
Please click on the link below to download the data in Excel format:
Diffusion Tube Monitoring results up to 2010
The spreadsheet of monitoring results will be updated every six months.
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