The Gold Coast City Council have been issuing defect notices for grease trap faults including corroded baffles, dilapidated tank lining and insufficient gas sealing on lids, etc. The GCCC have a waste tracking initiative that monitors and issues defect notices. The GCCC defect notices give 30 days to comply. This short time frame makes grease interceptor trap rehabilitation a favourable option. 30 October, 2009.