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fOXICITY OF PETROCHEMICAL WASTE WATER ON FERTILIZED EGGS OF BULLACTA EXARATA (PHILIPPI) |
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The toxic effect oi petrochemical waste water on fertilized eggs of Bullacta exarata (Philippi) was studied. The results showed that the 24 hours atd 48 hours waste water concentrations under which hall of the eggs were poisoned were 47% and 42%, respectively. |
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