List I | List II | ||
1 | Nitrogen rich fertilizers | p | Ozone depletion |
2 | Carbon dioxide | q | Eutrophication |
3 | Carbon monoxide | r | Greenhouse effect |
4 | CFC’s | s | Air pollutant |
List I Pollutant | List II Disease/ sickness |
---|---|
A. Sulphate (> 500 ppm) | I. Methemoglobinemia |
B. Nitrate (> 50 ppm) | II. Brown mottling of teeth |
C. Lead (> 50 ppb) | III. Laxative effect |
D. Fluoride (> 2ppm) | IV. Kidney damage |