Chemical Engineering - Environmental Engineering - Discussion
Discussion Forum : Environmental Engineering - Section 1 (Q.No. 18)
18.
Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO2 in air is __________ ppm.
Discussion:
1 comments Page 1 of 1.
Jatoth umesh nitw said:
1 decade ago
Co2 5000 ppm.
SO2 NO2 5 ppm.
NO 25 PPM.
CO 50 ppm.
SO2 NO2 5 ppm.
NO 25 PPM.
CO 50 ppm.
(1)
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