When Mallory is shot and Bryan calls for help, it is still broad daylight. By the time he manages to deactivate the debris following the wounded technician's instructions it is completely dark outside, meaning she did not receive medical aid for at least an hour.
When Eickman kills himself there are two people in the background having a casual conversation.
Bryan says that in New Jersey the sound was audible for "a block at most". But earlier, Mackey told them that people had heard it for three blocks around.