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In this manner , miners are prevented from inadvertently entering an area where a hazard exists . Israel proper , about 0.6 miles ( 1 kilometer ) from the Karni crossing , tried to prevent Bashan from entering the area , even though Bashan identified himself as a journalist and displayed the press markings on his car . But in East Timor and Kosovo , where the United Nations is administering the areas and has executive power , its police can investigate and charge suspects , usually civilians , with wrongdoing , U.N. officials said . It is responsible for administering the areas of statewide and metropolitan planning , transportation air quality , environment , research , right-of-way , mobility and traffic operations , intelligent transportation systems , and highway safety . Participated in the Pinellas Family EarthFest , an environmental celebration highlighting the area 's existing environmental successes and promoting individual , government , and corporate earth-friendly programs and products . According to Capt. Robert Ford , chief of staff , CTF-12 , the primary mission for CTF-12 is to not only to provide intelligence and enhanced situational awareness for U.S. Navy assets before entering an area for contingencies , but also to make sure the same assets are ready for anything they may encounter . Until such time as the room or area has been adequately ventilated , employees entering the area must wear respiratory protection . If spillway flows are discharged into the river bed , changing water level signs should be placed such that anyone entering the area will be aware of the potential dangers . For example , an employer might " restrict " employees from entering the area in which a toxic chemical spill has occurred or make an accommodation for an employee who is disabled as a result of a non-work-related injury or illness . One episode affected nearly 30 miles of the bay , spanning the area from Vallejo to Antioch . In these cases , the corrective action required to prevent injury is to preclude persons from entering the area .