Below you will find a comparative list of the values ascertained for various substances at all the test stations:

Data sheet test station comparison: example airborne particles
(PDF, 20 KB)

Data sheet test station comparison: example lead in airborne particles
(PDF, 20 KB)

Data sheet test station comparison: example arsenic in airborne particles
(PDF, 20 KB)

Data sheet test station comparison: example nitrogen dioxide in the air
(PDF, 20 KB)