Sanford , Florida ( CNN ) -- SeaWorld employees on Tuesday testified at a federal job safety hearing that , while the behavior of killer whales is is extremely predictable , the job of working with a 6-ton marine mammal carries a calculated risk . The hearing , before the Occupational Safety and Health Administration 's Review Commission , resumed Monday after a two-month hiatus . It was convened to look into the death of SeaWorld Orlando trainer Dawn Brancheau , 40 , in February 2010 . OSHA attorneys called three witness -- all from SeaWorld San Diego , including the California park 's vice president . SeaWorld strongly objected to the California employees being called as witnesses in a case involving only the Florida theme park . The administrative judge allowed the questioning to go forward , but reiterated his final ruling would only concern the SeaWorld Orlando 's operations . SeaWorld employees testified that trainers of killer whales are taught to recognize `` precursors '' -- odd behaviors that could lead to aggression . OSHA attorneys reviewed multiple SeaWorld incident reports in which trainers missed aggressive behaviors . Tuesday , while testifying about a 1999 incident involving SeaWorld San Diego killer whale Kasatka , trainer Ken Peters testified how the female killer whale grabbed his foot and pulled him underwater . `` Yes , she could have drowned me '' if she wanted to , Peters said . Peters acknowledged the dangers of his job . `` Yes -- it 's a calculated risk of dying tomorrow , '' but trainers can predict killer whale behaviors 99.9 % of the time , he said . OSHA says training alone is not enough to keep trainers safe . After a lengthy investigation , OSHA cited SeaWorld of Florida , Inc. , in August 2010 for willfully endangering employees by not taking proper safety precautions . The citation said the park allowed its employees to work with Tilikum , a 12,000-pound animal with `` known aggressive tendencies '' who had previously been involved in the 1991 death of a trainer at a marine park in Vancouver , British Columbia . OSHA said the SeaWorld Orlando did not provide barriers , decking , oxygen supply systems or other types of protection for the trainers . In the case of Brancheau 's death , the trainer was sitting on the Shamu Stadium 's pool edge during a private show when Tilikum pulled her into the water , drowning her . Since Brancheau 's death , SeaWorld has forbidden trainers from entering the water with killer whales . Trainers are required to sign a document in the standard operating procedure manual that acknowledges the calculated risk -- government attorney John Black called the document , `` a release waiver . '' Michael Scarauzzi , SeaWorld San Diego 's Vice President of Zoological Operations , was deemed a hostile witness by the judge for giving brief and evasive answers , and OSHA 's attorneys were allowed to ask more leading questions . OSHA is expecting to wrap its case on Wednesday . It is unclear how many witnesses SeaWorld will call . The hearing is schedule to conclude Friday . After court was adjourned , Dawn Brancheau 's family issued a statement through their attorney , saying their `` interest in the case is the safety of the current and future SeaWorld employees and their hope ( that ) no other family will have to suffer like we have had to , '' said attorney John Mills . The family has acknowledged that SeaWorld surveillance video showing the trainer 's death might be shown during the trial , but they hope it will not be released to the public .
Employees testify in OSHA hearing into the death of a killer whale 's trainer . They testified that trainers are taught to recognize signs of aggression . OSHA has cited SeaWorld for not having adequate safety precautions . In 2010 , Dawn Brancheau was pulled underwater by a killer whale and drowned .