TY  - GEN
AU  - Kerala state pollution, control Board
TI  - Water and air quality directory 2011
AV  - 010 
CY  - Kerala, Kerala state pollution controle board
KW  - Air quality
KW  - Lakes-Kerala
KW  - Pond-Kerala
KW  - Reservoirs-Kerala
KW  - River water station-Kerala
KW  - Water quality
ER  -