Table 5 in ENVIRONMENTAL IMPACT ASSESSMENT (EIA) OF WORLD BANK FINANCED SIDDHIRGANJ 450 MW COMBINED CYCLE POWER PLANT (CCPP) PROJECT SIDDHIRGANJ, NARAYANGAJ

Table 5 - Effluent Guidelines (To be applicable at relevant wastewater stream: e.g., from FGD system, wet ash transport, washing boiler ł air preheater and precipitator, boiler acid washing, regeneration of demineralizers and condensate polishers, oil-separated water, site drainage, coal pile runoff, and cooling water) ParametermgłL, except pH and temppH6 – 9TSS50Oil and grease10Total residual0.2chlorineChromium - Total0.5(Cr)Copper (Cu)0.5Iron (Fe)1.0Zinc (Zn)1.0Lead (Pb)0.5Cadmium (Cd)0.1Mercury (Hg)0.005Arsenic (As)0.5Temperature•Site specific requirement to be establishedincrease byby the EA.thermal discharge•Elevated temperature areas due tofrom coolingdischarge of once-through cooling watersystem(e.g., 1 Celsius above, 2 Celsius above, 3Celsius above ambient water temperature)should be minimized by adjusting intakeand outfall design through the projectspecific EA depending on the sensitiveaquatic ecosystems around the dischargepoint. Note: Applicability of heavy metals should be determined in the EA. Guideline limits in the Table are from various references of effluent performance by thermal power plants.