Purchase of Aerosol mass spectrometer - Quadrapole ACSM (PM2.5)

The EA, on behalf of DEFRA, manage a series of Air Quality Networks, the operation of which is contracted out to Contractors. One of the contracts is known as the Particle Concentration and Numbers Network which is to provide Particulate Speciation size and numbers at key urban and rural 'supersites' to inform policy development and science, including one specific element of the Air Quality 2008 Directive regarding Particulate Matter. The Contract has been in existence for approximately 19 years although has evolve...