Table 4. Weight of Accumulated Biofouling 
Toxicant Weight a Weight 
Increase Increase 
(gm) (gm) 
Control 
TBTO/creosote 
Control 
Control 
TBTO 
TBTO/creosote 
TBTO 
TBTO/Cu,,0 
CUO 
Control 
Methoxychlor 
Methoxychlor/TPTH/Cu,0 
Polymeric tin 
Control 
Organotin rubber 
20 
