List of top Environmental Engineering Questions on Air, water and soil: Quality standards asked in GATE CE

A sample of air analyzed at 25\(^\circ\)C and 1 atm pressure is reported to contain 0.04 ppm of SO\(_2\). Atomic mass of S = 32, O = 16. The equivalent SO\(_2\) concentration (in µg/m\(^3\)) will be _________. (round off to the nearest integer)