Through a series of tests in the laboratory

such as sterilization

algi-killing

restaining growth of mussels

wiping off sul- lage

and biodegradability etc.

it has been proved that the novel biocide EGO to be a multifunctional and environmental friendly bio- cide.At the same time

the efficacy of the said biocide has been also verified by result of application in the field

thus

it has been re- versely testified that the appraisement test carried out for biocide in the laboratory is feasible.