TCVN 7221-2002
General environmental requirements for central industrial wastewater treatment plants

Standard No.

TCVN 7221-2002

Release Date

2008

Published By

VN-TCVN

Latest

TCVN 7221-2002

TCVN 7221-2002 history

• 2008 TCVN 7221-2002 General environmental requirements for central industrial wastewater treatment plants