Section 49, 62 of the Environmental Protection Act, 2008, the Board hereby makes

(1) Air quality standards for mining and metallurgicoperations shall be as follows: 50 51 Effluent dilution and mixing prohibited. Air quality Standards Parameter Unit Measure Limit at any Moment Arsenic mg/m3 5 Carbon monoxide mg/m3 29 Copper mg/m3 1 Free silica mg/m3 5.0 Hydrogen cyanide mg/m3 11 Hydrogen sulfide mg/m3 14 Lead, dusts & fumes as Pb mg/m3 0.15 Nitrogen dioxide mg/m3 6 Particulate (interior nuisance dusts) mg/m3 10 (2) Quality standards for sulphur dioxide emissions SULPHUR INPUTTons/day SO2 EMISSION LIMIT Tons/day <10 20 11-15 25 16-20 30 21-30 40 31-40 50 41-50 60 51-70 66 71-90 72 91-120 81 121-150 90 151-180 99 181-210 108 211-240 117 241-270 126 271-300 135 301-400 155 401-500 175 501-600 195 601-900 201 1201-1500 213 > 1500 0.142 (S)*. *(S) = Total sulphur input into the process