Mine Rescue Statements of Fact - Test No. 1 Questions taken from the 2016 Coal Mine Rescue Statements of Fact - Group B Progress Indicator: Question 2 of 20 2.  __________ LIMIT(S) YOUR CONCENTRATION, PERCEPTION, JUDGMENT, AND MEMORY. Choices: Only a blood alcohol level greater than the legal limit Alcohol does not Even the smallest amount of alcohol Only a blood alcohol level greater than .05