Richard Baglin, Jonathan Chandler and Philip Craig, Executive Committee members, were out in West Greenwich setting up pollution monitoring tubes - which measure levels of Nitrogen Dioxide (NO2), a critical pollutant and one which has recently been in the news about the levels of toxins produced by diesel engines.
Richard and Philip on Point Hill
Measuring up on Crooms Hill
Philip using his teeth
The NO2 diffusion tubes, purchased by the Society, stay in placed for a month by the roadsides to 'collect' results and are then sent off for analysis.