supply, installation and commissioning of analyzers for measuring gaseous and particulate pollutants in ambient air and sound level meters for the Subdirectorate General for Meteorology and Climate Change, 80% co-financed by the European Regional Development Fund under the ERDF Galicia 2014-2020 operational programme, axis priority 05, investment priority 5.1, specific objective 5.1.1., action 5.1.1.1. (5 lots)

Supply, installation and commissioning of the following environmental analyzers for installation in one of the fixed stations of the Xunta de Galicia air quality network.

• Five (5) automatic analyzers for measuring sulfur dioxide (SO2) in ambient air

• Three (3) automatic analyzers for measuring nitrogen dioxide and nitrogen oxides in ambient air (EN El2 and NOx).

• Five (5) automatic analyzers for measuring carbon monoxide (WITH El) in ambient air

• Four (4) automatic analyzers for measuring ozone (El3) in ambient air.

Supply, installation and commissioning of one (1) automatic analysis of benzene (C6 H6) in ambient air for installation in the mobile air quality unit of the Xunta de Galicia

Supply, installation and commissioning of one (1) automatic analyzer measuring the PM2.5 fraction of particulate matter in ambient air for installation in one of the fixed stations of the Xunta de Galicia air quality network.

Supply, installation and commissioning of one (1) Sequential high volume collector for particles in immission, with sample collection on filter for gravimetric determination in laboratory

Supply, installation and commissioning of eight (8) ambient sound pressure level gauges or sound level meters, also known as instruments intended for the measurement of audible sound or acoustic meters of ambient noise, as well as any other material deemed necessary to make measurements of ambient noise.