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Environmental Regulatory and Requirements Environmental Law and Regulations: + Environmental Law was approved by National Assembly of the Social Republic of Vietnam on 29th November, 2005 and applied on 1st July, 2006 (updated and modified base on the Environmental Law was established in 1993) This Law included chapters and 55 articles + The Decree of Government No 80/2006/ND-CP on 9th May, 2006 to concretized of Environmental Law + The Circular of Ministry of Nature Resource and Environment (MONRE) No 08/2006/TT-BTNMT on 8th September, 2006 to concretized of the Decree N o 80/2006/ND-CP Environmental Regulatory and Requirements Environmental Standards: + Air quality Ambient air quality standards Prameter Average hour (µg/m3) Average hours (µg/m3) Average 24 hours (µg/m3) Average year (µg/m3) SO2 350 - 125 50 NO2 200 - - 40 TSP 300 - 200 140 Dust (PM≤10) - - 150 50 Method to determine Environmental Regulatory and Requirements Environmental Standards + Emission standards for thermal power industry: The maximum concentrate pollutant (Cmax) is caculated by formula: Cmax =Ctc x Kp x Kv Prameter (µg/m3) formula Type of fuel Method to determine Coal Oil Gas SO2 500 500 300 TCVN 5977:1995 NO2 650 (apply for coal, volatile concentrate in which is >10%) 1,000 (apply for coal, volatile concentrate in which is ≤10%) 600 250 TCVN 7172:2002 150 50 TCVN 6750:2000 In this formula, Ctc is the coefficient and value of which be showed in table Dust 200 Environmental Regulatory and Requirements Environmental Standards KP is the coefficient capacity of thermal power plant The value of KP be showed by table Capacity of thernal power plant KP coefficient P≤300MW KP = 300MW< P≤600MW KP = 0,85 P>600MW KP = 0,7 Environmental Regulatory and Requirements Environmental Standards KV is the coefficient region when thermal power plant is constructing Theof KV be showed by table Type of region KV coefficient Region I Special urbun, type urbun, sensitive ecology area 0,6 Region II Type 2,3,4 urbun 0,8 Region III Industry zone 1,0 Region IV Plain, mountainous region and type urbun 1,2 Environmental Regulatory and Requirements Environmental Standards: + Water quality - Surface water quality standard: (Value in Colume A are standards for surface water which use direclty for people service; and B for anther purposes) No Parameter Unit Maximum A B pH - 6-8,5 5,5-9 BOD5 mg/l