tender for supply of sanitation material-nuvan chemical ddvp ( 1 l. pack ) isi marked aqua-cathrin 2% ew for fogging ( in 1 l. pack ) ( isi mark ) 4 delta metherin 1.26% ew ( king fog ) ( isi mark ) for thermal fogging so / fex 5% ew ( isi mark ) for killing adult mosquitoes 5 sewage flue benzoin 25% bp ( isi mark ) to kill larvae ( y lav ) 6 for mosquito larvae ( for clean water ) flu benzoin 2% gr ( isi mark ) 7 amida flopred 0.5% rb ( cook wet ) to kill fly 00 8 bleaching powder ( dcm company ) 33% vala ( isi mark ) 9 for phenyl tablet ( urinal ) port ( isi mark ) 10 lemon grass oil perfume ( isi mark ) 11 cresolic powder ( isi mark ) 12 phenolic powder ( isi mark ) 13 14 white phenyl ( isi mark ) 15 blake finnail ( isi mark ) acid ( 151 marks ) 16 17 dustbin hanging type ( isi marked ) hypochlorite ( isi mark )