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It 's late in the evening and we're headed to our second major research station , hopefully in the Ross Sea polynya . Deliberate ( intentional ) contamination of food linked to a particular product or plant - - particularly if the plant is considered negligent - - would be extraordinarily costly to a firm . And so in fact , because they were difficult to manage , because they were politically risky , because they were in some cases costly to operate , we continued to dismantle domestic-intelligence capabilities . The organization is , of course , in turn legally responsible to the Public Health Service ( PHS ) for the performance and all financial aspects of the grant-supported activity . Most of the time the science party is working from 5-7 am and continuing on throughout most of the day - - sometimes until late in the evening . As most of this field is brand new to me , I am currently exploring research options for my thesis by taking a diverse schedule of classes . The reserves provide income and training to people who are basically ' ready to go to work ' .