They didn't, as essential, file these discharges in the vessel’s oil file book. To really make it difficult for the USCG to discover, crew associates hid almost all of the pumps and hoses used to conduct the bypass operations inside a sealed void Area termed a “cofferdam.” Time Out suggestion: https://cristianeqcmy.blazingblog.com/36616943/a-secret-weapon-for-avin-shipping-company-conviction